4.2 Unit Rates and Proportional Reasoning. I can find unit rates and unit costs using proportional Reasoning. Rates. Ratios comparing two quantities measured in different units. Ex: Miles per hour (distance and time). Unit Rate. Rate for one unit of a given quantity
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4.2 Unit Rates and Proportional Reasoning
I can find unit rates and unit costs using proportional Reasoning
Ratios comparing two quantities measured in different units.
Ex: Miles per hour (distance and time)
Find the unit rate for 210 heartbeats in 3 minutes.
70 beats per minute
Units need to be included
A unit rate that gives cost per unit
Divide total cost by number of items or units in the item.
You can compare prices using unit costs.
Ex: Which size of shampoo is the better
The smaller bottle