15
63 x 5 = 315
315/20 = 15.75
hence, 15 $20 bills
Answer:
C. 8x - 3y = 5
Step-by-step explanation:
7 - 3(x - y) = 5x + 2
Standard form: Ax + By = C
7 -3x + 3y = 5x + 2
7 -8x + 3y = 2
-8x + 3y = -5
Divide by -1 to each number
8x - 3y = 5
Answer: 7 3/10
seven as a whole number, and .3 equals to 3/10 when converted
Answer:
b.$25.20
Step-by-step explanation:
Calculation for how much is the warranty
Using this formula
Warranty cost=Extended warranty purchase d price percentage*Purchased Price
Let plug in the formula
Warranty cost =18%*$140
Warranty cost =$25.20
Therefore the warranty cost will be $25.20