Philip is going on a 400 mile road trip with three friends. He can travel 18 miles for every gallon of gas used. Gas costs $3.59 per gallon. If Philip and his friends want to split the cost of gas evenly, how much should each person pay?

well divide the price of the gas by the three friends and you'll get your answer.

$19.94 approx

Step-by-step explanation:

Divide 18 into 400, then take that number and multiply by 3.59. Take that answer and divide it by 4 since it's him +3 to get 19.94

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