The answer is 80 slices in total 64 for red apple and 16 for green apple
There would be 35 rulers.
In order to solve this, use cross multiplication.
6/10 = 21/x -----> cross multiply
10*21 = 6*x
210 = 6x
35 = x
To figure that out you could do 99 minus 38, which would lead you to your answer 61.
move the decimal point 2 places to the left
42.6 / 
= 0.426
