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4 years ago

7 calculators cost $140.00 Write this in rate(ratio) and the unit rate Help me please :)

Mathematics

1 answer:

RSB [31]4 years ago

6 0

Answer:

ratio: $140/(7 calculators)

unit rate: $20/calculator

Step-by-step explanation:

For rates involving prices, we're usually interested in the price per item, so we divide the cost by the number of items to form the appropriate rate. Simplified, it is the unit rate.

ratio = $140/(7 calculators) = $20/calculator = unit rate

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A "unit rate" is a rate with 1 (unit) in the denominator.

"per" can usually be considered to mean "divided by" in this context. As in "price per item" means "price divided by items".

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