Asked by sammy
Elizabeth and Lauren sold cookies for a school fundraiser and made $1,316.70. Together the girls sold a total of 831 cookies. Elizabeth sold chocolate chip cookies for $1.50 each, and Lauren sold peanut butter cookies for $1.65 each. How many cookies did Lauren sell?
How would I set this up in order to solve for each?
How would I set this up in order to solve for each?
Answers
Answered by
oobleck
If they sold x chocolate chips, then
the rest (831-x) were peanut butters
Now just add up the amounts made on each kind.
1.50x + 1.65(831-x) = 1316.70
the rest (831-x) were peanut butters
Now just add up the amounts made on each kind.
1.50x + 1.65(831-x) = 1316.70
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