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dewillis9380
16.09.2019 •
Mathematics
Which is more economical: purchasing the economy size of a detergent at 7 kilograms for $7.15 or purchasing the regular size at 870 grams for $.60? and by how much $ do you save by purchasing the more economical choice?
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Ответ:
The regular size is more economical. You save $2.322.
Step-by-step explanation:
Consider the provided information.
We need to find the more economical purchasing.
The economy size of a detergent at 7 kilograms for $7.15
The regular size at 870 grams for $.60
This can be written as:
Divide both sides by 870.
Now multiply both sides by 7000.
Hence the cost of 7 kg regular size detergent is $4.828
Thus, the regular size is more economical.
For 7 kg economy size of a detergent we need to pay $7.15
For 7 kg regular size detergent we need to pay $4.828
$7.15-$4.828=$2.322
Hence, you save $2.322.
Ответ:
sure
Step-by-step explanation: