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Aleksandr [31]
3 years ago
11

Each time Rosa puts $1.40 in her piggy bank, her mother puts in $1.60. When Rosa has $180 in her piggy bank, how much has her mo

ther put in the piggy bank?
Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
8 0
$1.40+$1.60=$3 $180-$3=$177 Her mother added $177 to her piggy bank
kondaur [170]3 years ago
7 0
In order to solve this problem, we have to set up a proportion. But first, we must add $1.40+$1.60 to find out the denominator for our proportion. The answer to that addition problem is $3.00. We are now ready to set up the proportion. $1.60/$3.00 =x/$180.00. So we cross multiply (1.6*180=288) then divide our answer (288/3) which gives us a final answer of 96. Therefore, Rosa's mother added a total of $96.00
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answer is 6a^2+4
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