Lily contributed 15%of money for the trip. half of it came from her babysitting earnigs. she also set aside $14.00 of her allowance each month for a year. the rest came from recycling glass and aluminum. what was the total amount of lily's contribution to the family vacation?

answer: 19 is   2

step-by-step explanation: i just looked at your answer and wrote it down

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

191 students play sports and ninety-seven 10th graders were surveyed.

step-by-step explanation: