Ju Chan solved the previous question by finding the expression 4 (-15).

Which addition problem would give the same result? Choose all that apply.

15 + 15 + 15 + 15

4 + 4 + 4 + 4

(-1) (15 + 15 + 15 + 15)

(-15) + (-15) + (-15) + (-15)

The answers are 3 and 4

(-1) (15+15+15+15)

(-15) + (-15) + (-15) + (-15)

Step-by-step explanation:

1. The multiplication shown in the problem above is:

4 (-15)

The product is - 60

4 (-15) = -60

2. The multiplication above could indicate that:

- The number - 15 is added 4 times.

- The number 15 is added 4 times and then is multiplied by - 1.

- The number - 4 is added 15 times.

- The number 4 is added 15 times and then is multiplied by - 1.

Keeping these on mind, you can conclude that the correct options are the third option and the last option:

(-1) (15+15+15+15) = (-1) (60) = -60

(-15) + (-15) + (-15) + (-15) = -15-15-15-15=-60