Number of friends ---- x
number of cookies --- c
c = 7x + 18
c = 10x + 66
subtract:
0 = 3x + 48
x = a negative number
The wording is confusing.
Maggie made some cookies for her friends. If she gave each friend 7
cookles, she would need another 18 cookies. If she gave each friend
10 cookies, she would need another 66 cookies,
(a) How many friends did Maggie have?
(b) How many cookies did she make?
2 answers
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