Question

Can somebody help me with this?

Answer 1

1. Multiples of 4 that are factors of 80:

My Answer:

4, 8, 16, 40, 80.

Answer 2

1. 4, 8, 16, 20, 40, 80... These can be divided by 4 and multiplied to get 80.

2. 4, 8, 12, 16, 20, 40, 80... These can be multiplied to get 80 and are divisible by numbers besides 1.

Not so sure about 3....