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Taliba has $31 to spend ordering some new phone cases. Each phone case costs $4, and there is also a $7 shipping charge. How many phone cases, n, can Taliba buy?
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Taliba has $31 to spend ordering some new phone cases. Each phone case costs $4, and there is also a $7 shipping charge. How many phone cases, n, can Taliba buy?

User HelloToEarth
by
3.0k points

1 Answer

3 votes
I think she can buy 6 cases.

7 + 4n = 31
4n = 31-7 = 24
n = 24/6 = 6


Check:

$7 + ($4 x 6 cases) = $31.

I hope this helps!
User Ekaerovets
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3.7k points
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