Equivalent Ratios or Not Equivalent

For a recipe, Brutus uses 4 cups of sugar for every 5 cups of flour. Which of the following show equivalent ratios for sugar to flour?

• 4/5=8/10 =12/15

• 4/5 = 5/6 = 6/7

• 4/5 = 3/4 = 2/3

• 4/5=8/15=16/45

Which ratio is equivalent to 12:20

• 20:12

• 2:3

• 3:5

• 3:10

In these two equivalent ratios below, what did we multiply by to get from the top to the bottom??

2 : 5

8 : 20

• 4

• 3

• 2

• 5

18 vocab words learned in 2 hours; 27 vocab words learned in 3 hours

• yes, equivalent

• no, not equivalent

Are 4 : 5 and 8 : 15 equivalent ratios?

• Yes

• No

Are these ratios equivalent? 
2/3 and 8/12?

• No

• Yes

Which ratios are equivalent to 1 : 3? Select all that apply (2).

• 10 : 30

• 6 : 18

• 5 : 20

• 2 : 9

Are these ratios equivalent?
3/4 and  6/12

• Yes

• No

Solve for X
4/14 = X/20

• 2

• 6

• 4

• 8

Scale up or scale down each ratio to find the unknown quantity?

• 42 miles

• 72 miles

• 62 miles

• 52 miles