Answer:
x=10
Step-by-step explanation:
5x+20=4x+30
Subtract 4x from each side
5x-4x +20 = 4x-4x+30
x+20 = 30
Subtract 20 from each side
x+20-20 =30-20
x =10
Answer:
1___
2___
3___
Step-by-step explanation:
that's the correct answer
Answer:
x=y
Step-by-step explanation:
-let x be the number of tennis balls and y the number of rackets.
-We divide the number of balls by the number of rackets to find out their ratio of proportionality:

-Hence, for each one tennis ball, there is a tennis racket.
#This is a direct linear relationship and is modeled as graphed in the attachment:
Maria is correct because she subtracted the discount and added the sales tax...
The discount is the amount that would be taken away from the original price and the sales tax is added to the original price.
Yes, they have enough money.
(26.50-25%+10%=22.525)