A Vending Machine Operator Knows That Her 6 Vending Machines

Multiple Choice

A vending machine operator knows that her 6 vending machines in a Kuwaiti shopping centre produce an average daily revenue of KWD 125 (Kuwaiti Dinar) . She adds a 7th machine that generates an average revenue of KWD 140 (the remaining machines continue to produce the amounts) . What is the new average for all her machines?

A) KWD 126.9
B) KWD 127.0
C) KWD 127.1
D) KWD 127.2