Question

Riley can do 6 math problems in 20 minutes. How many math problems can Riley complete in 3 hours at this rate?​

Answer 1

54 math problems

Explanation:

1. 3 hours = 180 min

2. 20/6 = 180/x

3. 180 x 6 = 1,080

4. 1,080 = 20x

5. 1,080 ÷ 20 = 54

Riley can complete 54 math problems in 3 hours.

Answer 2

54

Explanation:

3 hours = 180 minutes

20 mins = 6 problems

180 mins = ?

`6 * (180)/(20)`

Answer = 54 Math problems