A health club charges $32 each month and a one time registration fee of $120. Miguel has spent a total of $280. Which equation can be used to determine.

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A health club charges $32 each month and a one time registration fee of $120. Miguel has spent a total of $280. Which equation can be used to determine the number of months m Miguel has been a member of the health club? A) m = 280 B)120 – 32m = 280 C)120 x 32m = 280 D) m = 120 MATH MANIA :: QUESTION 1

Jamal had 14 CDs. He gave 3 of his friends an equal number of CDs. Then Jamal bought 4 new CDs. Which equation can be used to find n, the number of CDs Jamal has now after giving away x CDs to each of his friends? A)n = 14 + x – 4 B)n = 14 – x + 4 C)n = 14 – 3x + 4 D)n = x – 4 MATH MANIA :: QUESTION 2

The cost of renting a mountain bike is a basic fee of $6 plus an additional $2 for each hour that the bike is rented. Which equation can be used to find c, the cost of renting a bike h hours? A)C = 2(h + 6) B)C = 6(h + 2) C)C = 2h + 6 D)C = 6h + 2 MATH MANIA :: QUESTION 3

It costs $5 to get into an amusement park plus $2 per ride, and Carter has $80 to spend. Which equation can be used to find the number of rides n that he can afford? A)5n + 2 = 80 B)2n + 5 = 80 C)7n + 80 = x D)5n = x MATH MANIA :: QUESTION 4

Lydia wants to spend 90 hours at volleyball practice this year. She has already spent 30 hours. She plans to attend practice 6 hours a week for the rest of the year. Let w be the number of weeks of in the rest of the year. Which equation describes the total number of hours Lydia will spend at volleyball practice this year? A) = 90 B)36w = 90 C)36 + w = 90 D)30 + 6w = 90 MATH MANIA :: QUESTION 5

David is 3 times as old as his brother, plus 4 year. Which equation can be used to find David’s age d when his brother is b years old? A)d = b + (3 4) B)d = 3b + 4 C)d = 3b – 4 D)d = b + 4 MATH MANIA :: QUESTION 6

George was involved in a swim-a-thon fundraiser. He contributed $10 of his own money and his parents promised to pay him $3 for every lap that he swam. Altogether, he raised $97. Which equation can be used to find the number of laps, n, he swam? A)97 – 3n B)10 = n C)3n – 97 = 10 D)3n + 10 = 97 MATH MANIA :: QUESTION 7

Maria bought 3 posters at the regular price of $16 each. Then she got the same discount on each poster. Which equation can be used find t, the total price of the 3 posters with the discount d? A)t = 16 – d B)t = (3 x 16) – d C)t = 3d + (3 x 16) D)t = (3 x 16) – 3d MATH MANIA :: QUESTION 8

Julia has $100 in an account at school. She uses the account to pay for school lunch every day. Every day, $4 is deducted from the account to pay for Julia’s lunch. When the amount in the account is $20, she likes to add money to it. Which equation can be used to determine how many days, d, she can buy lunch before adding more money to the account? A)4d = 100 B)4d – 20 = 100 C)20 = d D)20 = 100 – 4d MATH MANIA :: QUESTION 9