Solve for X

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Questions 9- 23

13. Under her ceil phone plan, Sarah pays a flat cost of $69 per month and $4 per gigabyte. She wants to keep her bill at $83.80 per month. Write and solve an equation which can be used to determine , the number of gigabytes of data Sarah can use while staying within her budget. 9. Solve for z: _ 6z +6 = 4z 2 10. Solve for x: 3(5z 3) = 10z (= 6) 14. Members of a soccer team raised $2143 50 togoto a tournament. They rented a bus for $888.50 and budgeted $62.75 per player for meals. Write and solve an equation which can be used to determine 2, the number of players the team can bring to the tournament. 11. Solve for 2o 9z + 10(2z + 3) = 10x *15. Keilantra wants to ride her bicycle 28.8 miles this 12. Mackenzie needed to get her computer fixed. She took week. She has already ridden 4 miles. If she rides for 4 it to the repair store. The technician at the store worked on more days, write and solve an equation which can be used the computer for 2.75 hours and charged her $181 for to determine m, the average number of miles she would parts. The total was $249.75. Write and solve an equation have to ride each day to meet her goal. which can be used to determine T, the cost of the labor per hour. C Copyright Delta Math 16. Chloe wants to ride her bicycle 30.5 miles this week. 19. If a and y are in direct proportion and y is 6 when I is She has already ridden 14 miles. If she rides for 3 more 12, find y when x is 6. days, write and solve an equation which can be used to rmine , the average number of miles she would have w ride each day to meet her goal.22, Jacob practices the piano 336 minutes in 2 weeks. Assuming he practices the same amount every week, how many minutes would he practice in 3 weeks? 23. Rahul buys 8 bottles of orange juice at the corner store for a total cost of $4.24. If each bottle costs the same amount, how much is 19 bottles of juice? 17. A rental car company charges $52 per day to rent a car and $0.12 for every mile driven. Dianelys wants to rent a car, knowing that: She plans to drive 300 miles. = She has at:-most $140 to spend. Write and solve an inequality which can be used to determine &, the number of days Dianelys can afford to rent while staying within her budget. ( 18. A group of friends wants to go to the amusement park. They have no more than $235 to spend on parking and admission. Parking is 87.50, and tickets cost $32.50 per person, including tax. Write and solve an inequality which can be used to determine @, the number of people who can go to the amusement park. 20. If & and vary directly and is 40 when I is 8, find Yy when 2 is 10. ' 21. The number of miles driven by Xin varies directly with the number of gallons she used. Number of Gallons Used | Number of Miles Driven How many miles would she drive on 17 gallons