I need help 7th grade math i need all the answers correct please ASAP
2 answers:
Answer:
- 7.98: $2.51/kg
- 8.39: $2.43/kg
- the 8.39 kg bag is the better buy
Step-by-step explanation:
To find the unit price, divide the price by the number of units. Here, the unit of interest is 1 kg.
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Unit price of 7.98 kg bag:
$19.99/(7.98 kg) = $2.51 /kg
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Unit price of 8.39 kg bag:
$20.38/(8.39 kg) = $2.43 /kg
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The 8.39 kg bag has a lower cost per kilogram, so is considered the better buy.
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Answer:
a) 0.125
b) 0.015635
c) 0.00000095367431640625
Step-by-step explanation:
a)
b)
c)