The answer is 159 green apples . Here's why: 14 times 36 = 504 225 + 120=345 504 - 345=159 You multiply 36 by 14 because the result is going to be the total of green , yellow and red apples . The total is 504 and the total of yellow and red apples is 345 . You subtract those two to find the total of green apples , which is 159.