Estimate the amount of the tip by rounding the bill to the nearest dollar before calculating.
20% tip on a bill of $85.39
the amount of the tip is approximately what?

$17

Step-by-step explanation:

First, round $85,39 to the nearest dollar:

85,39 ≈ 85

Then calculate the amount of the tip:

I am joyous to assist you anytime.

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

eventually after a few more steps, your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x