A car was sold 24 standard washed in a day , which was 25% of their total sales for that day . What was the total amount of washes that the car wash sold that day?

Step-by-step explanation:

GIVEN: A car was sold standard washed in a day , which was of their total sales for that day.

TO FIND: Total amount of washes that the car wash sold that day.

SOLUTION:

Let the total sales of car washes sold for that day

total number of standard car washes sold

As, total standard car washes sold are of total sales in a day

putting value in equation

Hence the total  number of car washes sold that day are

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11