First we find out what percent the sale price is of the original price.
0.15 / 0.75 x 100 = 20%
Then we subtract this from 100% to get the discount:
100 - 20 = 80% discount
Answer:
radius=9cm
diameter=18cm
Step-by-step explanation:
Answer:
z = 72
Step-by-step explanation:
-1/4z + 12 = -6
× 4
-z + 48 = - 24
-z = - 72
z = 72
Can't see the table but direct variation is: y = kx
So if the output is some constant multiple which could be positive, negative or fraction then yes it is direct variation. So just divide a couple y/x = k to see what you get.
