Answer:
20
Step-by-step explanation:
x = price
y = number of keyboard
xy = 540
(x-2)(y+3) = 540
x = 540/y
==> x = 20
==> y = 27
Ax + By = C
3x + 2y = 12
A=3, B = 2 and C = 12
Answer:
20.41
Step-by-step explanation:
$102.05÷5
Make sure to tell me if i was right!
Answer:
36 inches.
Step-by-step explanation:
Write the rectangles as ratios.
First= 10:12
Second= 30:x
You can see that the second is 3 times as large as the first. Therefore, the second height must be 12*3. 12*3=36
