leonelcgomezp8hp1i leonelcgomezp8hp1i

Today at 2:38 PM
Mathematics

Answered

7 calculators cost $140.00

Write this in rate(ratio) and the unit rate
Help me please :)

Answer :

sqdancefan sqdancefan

Today at 2:43 PM

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

___

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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