Ratio Rate Time and Speed

Reduce the following ratios in the lowest equivalent ratios:

15:45:60

Answer explanation

Firstly we find the HCF and divide it with every term.

Find the ratio of the following & write in the simplest form:

1 5∕6 km, 1 11/15 km and 1 13/30 km

Answer explanation

To simplify the fractions what do we do?? remember we did it in linear equations too. We find LCM of denominators and multiply it.

There are 40 students in a class. Ratio of boys to girls is 2:3. How many girls are there in the class?

• 24 girls

• 20 girls

• 15 girls

• 30 girls

Naseem has Rs.1600 . She shared this amount with her two friends Rabia and Fatema in the ratio 3:5. How much amoun each of them received from Naseem?

• Rabia=Rs. 1000

  Fatema=Rs.600

• Rabia=Rs.500

  Fatema=Rs.1000

• Rabia=600

  Fatema=Rs.1000

A car travels 360 miles in 6 hours. Calculate the speed of the car in miles per hour.

• 50 mph

• 55 mph

• 60 mph

• 65 mph

Samantha can run one mile in 8 minutes. At this rate, how long will it take for her to run 5 miles?

Makenna drove 16 miles in 20 minutes. If she drives at the same rate, how far will she drive in 3 hours?

• 320 miles

• 144 miles

• 60 miles

• 48 miles

A person on a moving sidewalk travels 21 feet in 7 seconds.  The moving sidewalk has a length of 180 feet.  How many seconds will it take a person to travel the entire length of the moving sidewalk?

• 3 seconds

• 28 seconds

• 60 seconds

Rosa can run 4 miles in 56 minutes. How many miles does Rosa run if she runs for 42 minutes?

• 2 miles

• 3 miles

• 3.5 miles

• 5 miles

Marcus and James ran in the town marathon. Marcus ran at a speed of 15 feet every 18 seconds. James ran at a speed of 5 feet every 6 seconds. Did the run at the same speed? If not, who is faster?

• Yes, they ran at the same speed.

• No, they did not run at the same speed. Marcus is faster.

• No, they did not run at the same speed. James is faster.