1 answer:
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
You might be interested in
Answer:
mean = 19
i dont know what is meant by 'aboslute' mean so i just wrked out the normal mean
Step-by-step explanation:
Answer:
3B-15a
Step-by-step explanation:
B3=3B
3a5=15a
so
3B-15a
Answer:
b
Step-by-step explanation:
Answer:
the right answer is -5 (B)
Step-by-step explanation:
-(-5) +5(-5+2)
5 + -15 = -10
