1, according to the meaning of the question, the sum of the three families is 87× 3 = 26 1.

26 1-76= 185

English 185-80, so the math must be 97.

So English is 88.

2. From the meaning of the question:

1/6÷ 1/9=3/2

The area ratio of two rectangles is 3:2.