Mathematics: two customers went to a dry cleaners to get clean their shirts and pants. Each shirt cleaning costs the same amount, and each pants cleaning costs the same amount. The first customer paid $30.00 for 5 shirt cleanings and 3 pants cleaning. The second customer paid $29.00 for 3 shirt cleanings and 4 pants cleaning. What was the cost, in dollars, of each shirt cleaning?

1. is A2x^3 + 4x^2 - 12x2. is D12x^2 - 13x- 14...

two customers went to a dry cleaners to get clean

Zachary429

09.02.2022

$3.00

Step-by-step explanation:

5x + 3y = 30 - - - - - 1 x 4

3x + 4y =29 - - - - - -2 x 3

20x +12y = 120 - - - - 3

9x + 12y = 87 - - - - - 4

3-4

20x - 9x= 120 - 87

11x = 33

X= 33

X = 3

0,0(0 оценок)