Answer:
expression equivalent is = 88d(5d-2)
Original price of the radio is $64.30
Sale price - $51.44
Discount rate - 20%
This means that $51.44 is the discounted price or is equivalent to 80% of the original price, since the 20% equivalent is deducted from the original price.
To get the original price, divide $51.44 by its corresponding percentage, 80%.
$51.44 / 80% = $64.30
To get the discount, multiply the original price by its discount rate
$64.30 x 20% = $12.86
To get the sales price, deduct the discount from the original price.
$64.30 - $12.86 = $51.44
100% - 20% = 80%
C., because 60 is half of 120, and 12% is half of 24%
hope it is right
Answer:
64
Step-by-step explanation:
(3x+5)^2 = ax^2 +bx+c
FOIL the left side
(3x+5) (3x+5)
9x^2 +15x+15x+25
Combine like terms
9x^2 +30x+25
a=9
b= 30
c= 25
a+b+c = 9+30+25 = 64