Proportions and Unit Rate

Unit rate and proportions

Rachel types 162

words in 3 minutes. Rachel types at a constant rate

Find the UNIT RATE

Fill in the Blank

Jen buys 4 tires for $272. Each tire was the same price.

What is the cost of 1 tire?

Solving Proportions

This is what a proportion looks like

We use it when we are comparing things and are asked to find a missing number

Cross multiply

Fill in the Blank

$$\frac{x}{2\ }\ =\ \frac{10}{5}$$     solve for x 

Lets look at a word problem

Reid baked 24 cookies with 3 scoops of flour. With 5 scoops of flour, how many cookies can Reid bake? Assume the relationship is directly proportional

Multiple Choice

Stacy read a total of 15 books over 5 months. After belonging to the book club for 16 months, how many books will Stacy have read in all? Assume the relationship is directly proportional

• 3

• 13

• 48

• 45

so in 16 months she can read how many books?