Two hoses are filling a pool the first hose fills at a rate of x gallons per minute the second hose fills at a rate of 15 gallons per minute less than the first hose.

For Part A, the answer would be 59%. For Part B, the answer should be 51%.

Step-by-step explanation:

For Part A, You should just be adding 70 and 48 to get 118, then divide by 200 (the total amount of students). For Part B, You would just add the total amount of girls and divide by the total amount of students, which is 102/200.