Ratios, Proportions, Decimals, Percent Review

What is a Ratio?

• Is a comparison of two quantities 
• To multiply two fractions 
• A number over another number
• Two decimals that can be multiplied

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute
• 100 words per minute
• 400 words per minute
• 412 words per minute

Which is the better buy: a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80?

• The 12 pack of Coke

• The 6 pack of Coke

• Neither

• They are the same

• A
• B
• C
• D

• 240 miles

• 180 miles

• 160 miles

• 360 miles

Are these ratios equivalent? John learns 18 vocab words in 2 hours. Bob learns 27 vocab words in 3 hours.

• yes, equivalent

• no, not equivalent

Solve for p.

• p=31.3

• p=308

• p=924

• p=532

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

1/5= ___%

• 25%
• 15%
• 10%
• 20%

There are 20 students and 3/5 of the students are going on the field trip. How many students are going on the field trip?

• 4 students

• 12 students

• 8 students

• 16 students