How do you evaluate this expression
1 answer:
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Answer:
Step-by-step explanation:
Lets break each problem down before we answer it so it help to understand what we are looking for.
Vocabulary:
Unit Rate: how many units of the first type of quantity corresponds to one unit of the second type of quantity. (12 inches to 1 foot)
Unit Rates:
Problem 1: Top left
A boy delivers 189 papers in 3 hours
Unit Rate: 63 papers delivered per hour
In simple terms, all we are doing is creating a fraction then simplifying it :)
Problem 2: Top right
It costs $8.40 for 12 cupcakes
Unit Rate: For every $0.70, it costs one cupcake
Problem 3: Bottom left
5 miles in 50 minutes
Unit Rate: For every one mile ran, it takes 10 minutes
Problem 4: Bottom right
375 passengers distributed between 5 cars
Unit Rate: For ever 75 passengers, there is one car
Hope this Helps!