Answer:
The perfect square number between 40 and 50 is 49 which is a square of 7.
The price of fan was 20 Dollars 55 cents last week.
Step-by-step explanation:
Let,
The price last week = x
As the price is 27% lower than last week, therefore
(100%-27%) * Price last week = $15
73% * x = 15
Solving the percentage;

The price of fan was 20 Dollars 55 cents last week.
Keywords: Percentage, multiplication.
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Answer:
x=2
Step-by-step explanation:
x-3=4x-9
x=4x-6
-3x=-6
x=2
Answer:
80
Step-by-step explanation:
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