SOLUTION: Suppose you play a game with your friends. You tell your friends to each pick a number, and then you tell them to: 1. Multiply their number by 5. 2. Subtract 8 from that numbe

Algebra ->  Finance -> SOLUTION: Suppose you play a game with your friends. You tell your friends to each pick a number, and then you tell them to: 1. Multiply their number by 5. 2. Subtract 8 from that numbe      Log On


   

Question 1123186: Suppose you play a game with your friends. You tell your friends to each pick a number, and then you tell them to:
1. Multiply their number by 5.
2. Subtract 8 from that number.
3. Divide that number by 3.
a. Kyle tells you his "new" number is -9.333. What number did Kyle start with?
b. Jane tells you her "new" number is 18.167. What number did Jane start with?
c. Nick tells you his "new" number is 190.667. What number did Nick start with?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
n, the number picked
r, the result after doing the described process

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1. Multiply their number by 5.
2. Subtract 8 from that number.
3. Divide that number by 3.
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%285n-8%29%2F3=r

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a. Kyle tells you his "new" number is -9.333. What number did Kyle start with?
b. Jane tells you her "new" number is 18.167. What number did Jane start with?
c. Nick tells you his "new" number is 190.667. What number did Nick start with?
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Several people each found a different r.

5n-8=3r
5n=3r%2B8
highlight_green%28n=%283r%2B8%29%2F5%29