Agenerator runs for 2 1/2 hand uses 4 3/8 gals of fuel. how many gallons of fuel did the generator use each hour?

divide gallons used by time

4 3/8 = 35/8

2 1/2 = 5/2

35/8 / 5/2 = 35/8 * 2/5 = 70/40 = 7/4 (simplest form) =  1 3/4 gallons per hour

answer: 457.14

step-by-step explanation:

205 - 45 = 160

160 / .35 = 457.142857

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls