Question

I need help .........

Answer 1

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

`(189 papers)/(3 hours) \\189/3\\(63 papers)/(1 hour)`

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

`(8.40)/(12 cupcakes) \\8.40/12\\(0.70)/(1 cupcake)`

Unit Rate: For every $0.70, it costs one cupcake

Problem 3: Bottom left

5 miles in 50 minutes

`(5 miles)/(50 minutes) \\5/50\\(1 mile)/(10 minutes)`

Unit Rate: For every one mile ran, it takes 10 minutes

Problem 4: Bottom right

375 passengers distributed between 5 cars

`(375 passengers)/(5 cars) \\375/5\\(75 passengers)/(1 car)`

Unit Rate: For ever 75 passengers, there is one car

Hope this Helps!