Understanding ratio notation, rate language and unit rates

While exercising Loghan walked 1⁄8 of a mile in 1⁄6 of an hour. At this rate,how far will he have traveled after an hour?

• 1/48 of a mile

• 3/4 of a mile

• 1 mile

• 5/8 of a mile

What is the numerator in this problem? Choose the two correct answers.

Bailey read ⅓ of a book in 1½ hours. How long will it take Bailey to read the whole book?

• part of the book read

• hours

• 1½

• ⅓

It takes Rachel  $\frac{1}{6}$  of an hour to clean  $\frac{3}{20}$  of her room.  How long will it take her to clean her entire room?

•  $\frac{9}{10}$  of her room

•  $\frac{10}{9}$  of her room

•  $\frac{9}{10}$  hour

•  $\frac{10}{9}$  hour

7.5 km in  $\frac{1}{2}$  hour

Calculate the average speed of this vehicle in kilometres per hour.

• 10 km/h

• 5 km/h

• 15 km/h

• 0.5 km/h

A Mario's kart drove 120 miles in 1 3/4 hours. What is the speed of the kart in miles per hour?

• 68 4/7 mph

• 100 mph

• 69 4/7 mph

• 68 4/7 sph

• 50 miles per hour

• 45 miles per hour

• 40 miles per hour

• 35 miles per hour

Mateo walks 2/5 mile in 5/6 hour

• 12/25 mile

  per hour

• 10/30 or 1/3

  mile per hour

• 30/10 or 3

  miles per hour

A snake crawls across the desert for

 $4\ \frac{1}{3}$  feet. It travels  $\frac{5}{6}$  feet every second. How long does it take the snake to travel across the desert?

•  $5\ \frac{1}{5}$  seconds

•  $\frac{27}{5}$  seconds

•  $4\ \frac{1}{6}$  seconds

•  $3\ \frac{1}{3}$  seconds

Sasha can mow 3/8 of an acre of grass in 3/4 an hour. How many acres of grass does Sasha mow per hour?

• 2  acre/hr.

• 1/2  acre/hr.

• 9/24  acre/hr.