You receive $45 profit from a car wash after $300 in sales.
What percent was your profit?

You receive 45\$ profit from a car wash after 300\$ in sales.

so,

percentage of profit

y-y1=4(x-x1)

step-by-step explanation:

this is point-slope form since you only have 4 as the slope it goes in place of m

hope this : )