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?

x=30

step-by-step explanation:

(-5,-28)

i graphed to on desmos.

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24