MW Exercise 6e
1) If K varies as the sum of two thingswone varies
directly as L' and the other inversely as L.
If K = 10, L=4 and K= 8, L=2. Find the
relationship between them; find K when L=10.

answer: city needs 2.4 inches of rainfall more to match the record of 40 inches.

step-by-step explanation:

since we have given that

total annual rainfall a city record = 40 inches

this year, total rainfall recorded = 37.6 inches

number of inches of rainfall   is needed to match the record of 40 inches is given by

hence, city needs 2.4 inches of rainfall more to match the record of 40 inches.

1 x=22.52

2: 65/39=604+39x

65x-39x=604

26x=604

x=604/26

×=23.23