Chapter 2 review Math and Proportions

Luke needs to get a new gas can and gas so he can mow the yard. The gas can is 5 dollars and gas is 3.23 per gallon. Write an equation. Y = kx + b

y = ​ (a)   X + ​ (b)  

• 3.23
• 5
• 8.23
• 1.77

Luke needs to get a new gas can and gas so he can mow the yard. The gas can is 5 dollars and gas is 3.23 per gallon. How much would one gallon cost him ​ (a)   How much would two gallon cost him ​ (b)   How much would five gallon cost him ​ (c)  

How much would zero gallons cost him ​ (d)  

• 3.23
• 8.23
• 1.77
• 11.46
• 21.15
• 5
• 13.23

Wedge needs to fill up his speeder.  Each gallon of gas is 3.25.

e

f

g

c

3.25

19.50

0

13.00

16.25

22.75

6.50

9.75

Finn, Rey, and Poe all went to play miniature golf. They paid 27 dollars to play. What is the unit rate? (how much did each pay)

• 9 dollars

• 81 dollars

• 27 dollars

• 1 dollars

A Star Wars dvd spins about 72 times every 3 seconds. Based on this information tell me whether True or False these other ratios are the same. 144 times every 6 seconds ​ (a)   308 times every 24 seconds ​ (b)   28 times every 2 seconds ​ (c)   240 times every 10 seconds ​ (d)   3 times every 72 seconds​ ​ (e)  

• true
• false

Ezra bought 4 cans of Celsius for 6 dollars. How much is each can? (unit rate)

• 1.50

• .67

• 6

• 2.50

In a bag of Lucky Charms the ratio of cereal to marshmallows is 27:2. Tell me how many marshmallows will be in the chart.

f

g

h

i

14

15

1

0

10

12

20

8

4

Anakin is buying Kyber crystals from a museum. The table shows the total cost for different amounts. What is the constant of proportionality?

(a)  

Leia has her own Netflix account. She is charged 24 dollars a month for the 4k tier. Make a table that represents this and then select how much half a year would cost how much she pays for half a year.

(a)  

C3P0 found a bag full of washers and bolts while cleaning. The ratio was 7 washers to every 3 bolts. If there were 49 washers how many bolts are there? ​ (a)  

What was the total number of objects in the bag?​ (b)   ​

• 21
• 70
• 90
• 10
• 52
• 56
• 59
• 91
• 2.3
• 16