Question

A tour group charges a flat price for a tour of up to 20 people. The cost per person varies inversely with the number of people. If five people pay 135 each, what must 15 people pay per person.
A.33.75
B.45.00
C.67.50
D.90.00

Answer 1

5 people -  pay 135 each
15 people - pay  x each
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5 : 15 = x : 135
15 x = 5 * 135
15 x = 675
x = 675 : 15
x = 45
Answer:
B ) 45.00