The firs t res is x=4
the second is D
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
Answer:
75%
Step-by-step explanation:
hope this helps!! please mark brainliest
Answer:
A
Step-by-step explanation:
hope it helps :)