Ratios and proportions M7

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

• Yes
• No

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

• No
• Yes

10 pencils cost $21.  How much will 25 pencils cost? 

• $8.4
• $11.90
• $52.5
• $8.75

33 bags of potato chips cost $34.60.  How much will 10 bags of chips cost?

• $10.98
• $10.48
• $9.54
• $3.460

• 2
• 6
• 4
• 8

What is an equivalent ratio?

• Two or more ratios with the same values
• Two or more ratios that have different values
• Two or more ratios that equal 1
• Two or more ratios that have a denominator of 1

A market sells 7 candy bars for $4.20. How much do 8 candy bars cost?

• $4.80
• $0.60
• $33.60
• $12.60

Which ratio is equivalent to 5 to 4

• 25 to 20
• 10 to 12
• 4 to 5
• 15 to 8

Solve the proportion:

• c = 4

• c = 8

• c = 14

• c = 10

Solve for x 

• x = 6
• x = 25
• x = 28
• x = 17