Kristen is following a punch recipe it calls for 3 1/4 of apple juice and 6 7/8 cups of pineapple juice .how many cups of fruit juice does she need in all.

11 3/7

Step-by-step explanation:

1/4+7/8

1(2)/4(2)+7(1)/8(1)

2/8+7/8

9/8

8÷9= 1 1/8

3+7=10+1=11

11 3/7

assuming you mean addition: addition and subtraction are reverse operations.

step-by-step explanation:

2x^2+5x+17

your welcome. : )