Question

Deandra is doing her math homework. She completed the first 6 problems in 2 hours and the last 12 problems in 3 hours.

Which best describes Deandra’s rate for completing her homework?
Deandra completed the first 6 problems at a rate of 6 problems per hour and the last 12 at a rate of 2 problems per hour.
Deandra completed the first 6 problems at a rate of 3 problems per hour and the last 12 at a rate of 4 problems per hour.
Deandra completed the first 6 problems at a rate of 2 problems per hour and the last 12 at a rate of 6 problems per hour.
Deandra completed the first 6 problems at a rate of 4 problems per hour and the last 12 at a rate of 3 problems per hour.
Mark this and return

Answer 1

Deandra completed the first 6 problems at a rate of 3 problems per hour and the last 12 at a rate of 4 problems per hour.

Explanation:

Explanation:

Answer 2

Deandra completed the first 6 problems at a rate of 3 problems per hour and the last 12 at a rate of 4 problems per hour.

Explanation:

The reason for this is because she spent 2 hours on 6 problems and 6 divided by 2 (6/2) equals 3. So if we think about it, she answers the last 12 problems in 3 hours, so when divide 12 by 3 (12/3) we end up getting 4. So in conclusion, she completed the last 12 problems at a rate of 4 problems per hour.