"Cherries cost $2/lb. Grapes cost $0.50/lb. You can spend no more than $3 on fruit, and you need at least 3lb in all. Create
1 answer:
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This is equal to...
We want "x" so we need to isolate it using laws of exponents...
because
because
x = 4
answer: B
You should be able to set up a proportion between the sides something like (18+x)/x=(56+21)/56
