One of the most important defoliating insects is the gypsy moth caterpillar,which feeds on foliage of shade,forest,and fruit trees.A homeowner lives in an area in which the gypsy moth has become a problem.She wishes to spray the trees on her property before more defoliation occurs.She needs 128 ounces of a solution made up of 3 parts of insecticide A and 5 parts of insecticide B.The solution is then mixed with water.How many ounces of insecticide A should be used?
A) 16
B) 38.4
C) 48
D) 52
E) 68

Question

Quizplus · Accepted Answer

If the homeowner needs 128 ounces of solution made up of 3 parts of insecticide A and 5 parts of insecticide B, then the total number of parts is 3 + 5 = 8.

To find out how many ounces of insecticide A should be used, follow these steps:

1. Divide the total number of ounces by the total number of parts: 128 ÷ 8 = 16

2. Multiply the result by the number of parts of insecticide A needed: 16 x 3 = 48

Therefore, the homeowner needs 48 ounces of insecticide A. The best choice is C).

One of the Most Important Defoliating Insects Is the Gypsy