The contents of a certain box consist of 48 apples and 30 kiwis. How many kiwis must be added to the box so that exactly 30% of the pieces of fruit in the box will be apples? Choose the correct option
A) 90 B) 72 C) 82 D) 54 E) 65
apple = (apple + kiwi + x)*0.3   48 = (30 + 48 + x)*0.3   x = 82   Answer: 82
<result>C</result>
The contents of a certain box consist of 48 apples and 30 kiwis. How many kiwis must be added to the box so that exactly 30% of the pieces of fruit in the box will be apples?