3/5 of 180 is 108
180-108=72
she would have 72$ left
Line the decimal points up. Then add like you normally would, but put down the decimal directly where you have it lined up.
Answer: X - 6
If you were to write an equation you can use Y to represent Joshua's age, X - 6 = Y
H(x) = -5x - 10
h(-2) = -5(-2) - 10
h(-2) = 10 - 10
h(-2) = 0