During summer vacation you charge people $8 per hour for Swimming Lessons and a $20 registration fee. If you make $52 one day how many hours did you spend teaching lessons?

468

step-by-step explanation:

answer are

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

actually your concept is wrong

step-by-step explanation:

150% of x =300

150x=300×100

x=(300×100)÷150

x=200