A 20-pound bag of Economy brand cement mix contains 25% cement and 75% sand. How much pure
Question:
A 20-pound bag of Economy brand cement mix contains 25% cement and 75% sand. How much pure cement must be added to produce a cement mix that is 40% cement?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 70% (10 reviews)
Let x represent the number of pounds o...View the full answer
Answered By
Muhammad Umair
I have done job as Embedded System Engineer for just four months but after it i have decided to open my own lab and to work on projects that i can launch my own product in market. I work on different softwares like Proteus, Mikroc to program Embedded Systems. My basic work is on Embedded Systems. I have skills in Autocad, Proteus, C++, C programming and i love to share these skills to other to enhance my knowledge too.
3.50+
1+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Mathematics questions
-
A 20 kilo bag of economy board cement mix contains 25% cement and 75% sand. How much pure cement must be added to produce a cement mix that is 40% cement?
-
How many grams of MgO must be added to 1 kg of NiO to produce a ceramic that contains 25 mol% solid at 2400 C?
-
Pure gold is too soft to be used for jewelry, so gold is always mixed with other metals. 18-karat gold is 75% gold and 25% other metals. How much pure gold must be mixed with 5 oz of 18-karat gold to...
-
A strip of metal is originally 1.5 m long. It is stretched in three steps: first to a length of 1.75 m, then to 2.0 m, and finally to 3.0 m. Show that the total true strain is the sum of the true...
-
1. Compare the two financing options in terms of projected return on the owners equity investment. Ignore any effect from income taxes. 2. What if Dalton is wrong and the company earns only 4 percent...
-
An individual taxpayer has realized a $40,000 loss on the sale of an asset that had a holding period of eight months. Explain why the taxpayer may be indifferent as to whether the asset is a capital...
-
In August 2014, Superior Structures of Ohio, LLC, and its president, Ryan Villhauer, applied for credit with Willoughby Supply Company, Inc. The application contained a section providing for a...
-
Capital budgeting with uneven cash flows, no income taxes. Southern Cola is considering the purchase of a special-purpose bottling machine for $23,000. It is expected to have a useful life of 4 years...
-
Robert purchased US$15,000 from a bank in America, which charged him a commission of 0.9%, and sold the US dollars to a bank in Canada, which charged him a 0.24% commission. How much money did he...
-
A bathroom tub will fill in 15 minutes with both faucets open and the stopper in place. With both faucets closed and the stopper removed, the tub will empty in 20 minutes. How long will it take for...
-
An oil tanker can be emptied by the main pump in 4 hours. An auxiliary pump can empty the tanker in 9 hours. If the main pump is started at 9 am, when should the auxiliary pump be started so that the...
-
What types of businesses are most likely to attract venture capital?
-
PI-compensator C(s) G(s) Y(s) A system is defined by a transfer function G(s). SK+K i. Design a PI controller C(s)=- oft, = 0.5s. Hand solving S . s+1 H H(s) = 1 (unity feedback system) to have an...
-
our ( 4 points) Record the following transactions for Kline Company. 1. On April 12, sold $12,000 of merchandise to Milton Inc., terms 2/10, n/30. 2. On April 15, Milton returned $2,500 of...
-
I am also considering a purchase of an annuity on January 1, Year 1, that pays $5,000 at the beginning of every month, but the first payment will not start until January 1, Year 3, and the last...
-
a) What is the acceleration due to gravity on the surface of the Moon? Take the mass of the Moon and its radius to be 7.348 x 1022 kg and 1.737 x 103 km, respectively. m/s b) On the surface of Mars?...
-
The West Division of Frede Corporation had average operating assets of $696,000 and net operating income of $88,000 in March. The minimum required rate of return for performance evaluation purposes...
-
An instructor has graded 19 exam papers submitted by students in a class of 20 students, and the average so far is 70. (The maximum possible score is 100.) How high would the score on the last paper...
-
Explain the regulation of the secretions of the small intestine.
-
Solve the equation. 5 - (6x + 3) = 2(2 - 2x)
-
Solve the equation. x(x + 6) = 9
-
Solve the equation. x 2 = 8x - 12
-
Dozier Company produced and sold 1 , 0 0 0 units during its first month of operations. It reported the following costs and expenses for the month: Direct materials $ 7 0 , 0 0 0 Direct labor $ 3 5 ,...
-
You owe $7,000 to a credit card. You decide to pay more than the minimum required and you want to repay the balance in 60 months. The loan charges an interest rate of 1.3% every month. What is the...
-
Up to 5% points will be deducted if all relevant calculations are not shown for questions 3, 4 and 5 A chain discount of 10/7/4 results in a net price equivalent rate of ___________. Complete the...
Study smarter with the SolutionInn App