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n200080 [17]
4 years ago
10

There are 278 houses in Hannah's neighborhood she collected a total of $780 from her neighbors to donate to a local charity Hann

ah received $5 on each house she went to from how many houses did Hannah not collect money
Mathematics
2 answers:
sladkih [1.3K]4 years ago
6 0
First thing you want to do is figure out how many house she collected from: 780/5 = 156

Now simply subtract that answer from the total number of houses: 278-156 = 122 houses
jek_recluse [69]4 years ago
5 0
$780 / 5 = 156
278 - 156 = 122

So Hannah did not go to 122 houses
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The given quadratic equation is x^2+4x-21=0. We need to find the solution of this equation.

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