SOLUTION: Donna made $216 for 18 hours of work. At the same rate, how many hours would she have to work to make $144 ?

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Question 1013600: Donna made
$216
for
18
hours of work.
At the same rate, how many hours would she have to work to make
$144
?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Solve this using the proportion:
216%2F18+=+144%2Fx
Now cross-multiply and get
216x = 2592
x = 12 hours