Ratios Rates Unit Rates and Complex Fractions

A recipe to make a diluted cleaning solution calls for 4 gallons of water mixed with 1/3 cup of cleaner. You have a cup of cleaner and want to use it all. How many gallons of water do you need to mix with one cup of cleaner?

• 8 gallons of water

• 12 gallons of water

• 16 gallons of water

• 20 gallons of water

________________________________ compares the first quantity per every 1 unit of the second quantity.

• ratio

• rate

• unit rate

• complex fraction

A _______________ is a ratio that compares two quantities with unlike units.

• ratio

• rate

• unit rate

• complex fraction

A _____________ is a comparison of two quantities, in which for every a units of one quantity there are b units of another quantity.

• ratio

• rate

• unit rate

• complex fraction

This is an example of a...

• ratio

• rate

• unit rate

• complex fraction

A truck driver drove 48 miles in 45 minutes. At this rate, how many miles can the truck driver drive in one hour? (45 min = 3/4 hr)

• 16 miles per hour

• 32 miles per hour

• 48 miles per hour

• 64 miles per hour

Ella downloaded 8 apps onto her tablet in 12 seconds. at this rate how many apps could she download in one minute? ( 12 seconds = 1/5 minute)

• 96 apps per minute

• 40 apps per minute

• 8 apps per minutes

• 1and 3/5 apps per minute

Thunder from a bolt of lightning travels 1/10 mile in 1/2 a second. At this rate how many miles can it travel in one second?

• 1/20 mile per second

• 1 mile per second

• 1/5 mile per second

• 1/10 mile per second

The average sneeze can travel 3/100 mile in 3 seconds. at this rate, how far can it travel in one minute?(3 seconds = 1/20 minute)

• 3/5 mile per minute

• 9 miles per minute

• 5/3 mile per minute

• 3/2000 mile per minute

To prepare for a downhill skiing competition Roman timed his first session. In 2/125 of an hour he traveled 9/10 of a mile. What is romans rate in miles per hour?

• 70 and 5/6 miles per hour

• 61 and 1/9 miles per hour

• 56 and 1/4 miles per hour

• 4/225 miles per hour