Answer: 26
Step-by-step explanation:
Nikkis charges are 20,40,50,80. Dave’s charges are 25 and 37.5.
Answer:
C-10
A-90
B-10
Step-by-step explanation:
For rounding off to nearest tens, we compare the last digit.
Answer:
61.90
Step-by-step explanation:
12.2+14+14+6=46.2
of semi circle
circumference of semi circle = 
d
x10 = 10
semi circle so divide by 2 = 5
5 = 15.7
46.2 + 15.7 = 61.9
Let x = discount rate
Equate:
$80(1-x) = $60
Solve for x:
1-x = 60/80
1-x = 3/4
x = 1 - 3/4
x = 1/4 or 0.25
x = 25%
