42 (1- 25/100) = 63/2 = 31.5 dollars
answer is $31.50
hope it helps
Answer:
a.) $3.20
b.) $102.40
$3,276.80
Step-by-step explanation:
0.2 times 2 five times is 3.2
0.2 times 2 ten times is 102.4
0.2 times 2 fifteen times is 3,276.8
Answer:
The surface area of the structure is
Step-by-step explanation:
we know that
The surface area of a sphere is equal to
In this problem we have
-----The radius is half the diameter
substitute
Answer:
111
Step-by-step explanation:
150 + 20 = 170
170 - 52 = 118
118 + 23 = 141
141 - 16 = 125
125 + 14 = 139
139 - 28 = 111