Tessa has nine children and hires two babysitters at a time. Tim charges $15 per hour with the first hour free, and Yu charges $10 per hour plus a flat fee of $20.
Write an expression for Tessa's total cost, and say what
the variable represents. If they both work 8 hours,
what's Tessa's total cost?

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72

it is c, trust i got your back lol

step-by-step explanation:

3x + 4y -25 =0 represents the amount of change sianna should recieve