1. A text message plan costs

$22

per month plus

$0.17

per text. Find the monthly cost for x text messages.

2. When a number is decreased by

20 %

ofitself, the result is

160.

What is thenumber?

3. Use thefive-step strategy for solving word problems to find the number described.

When

40%

of a number is added to thenumber, the result is

224.

4. Use thefive-step strategy for solving word problems to find the number.

30%

of what number is

96?

5. Solve this exercise using the fact that the sum of the measures of the three angles of a triangle is

180 degrees.

In atriangle, the measures of the three angles arex,

x plus 27

and

x minus 30.

What is the measure of eachangle?

6. You are choosing between two health clubs. Club A offers membership for a fee of

$ 18

plus a monthly fee of

$ 17.

Club B offers membership for a fee of

$ 13

plus a monthly fee of

$ 18.

After how many months will the total cost of each health club be thesame? What will be the total cost for eachclub?

7. The selling price of arefrigerator, is

$576.45

If the markup is

5 %

of thedealer's cost, what is thedealer's cost of therefrigerator?

8. A rectangular athletic field is twice as long as it is wide. If the perimeter of the athletic field is

216

yards, what are itsdimensions?

9. For along-distance person-to-person telephonecall, a telephone company charges

$ 0.83

for the firstminute,

$ 0.27

for each additionalminute, and a

$ 1.91

service charge. If the cost of a call is

$ 4.90

how long did the persontalk?

10. Solve the formula for the specified variable.

Q = 1/8 qt for q

11. Solve V =LWHfor L.

12. Solve the following formula for the specified variable.

Y=K+ch for c

13. Solve the following formula for the specified variable.

C=1/2m(r+z)for r