Q. 1: What was the percentage profit of the store in 2018?
Q. 3: : What percentage of the total profits for the store in 2016 was from the Electronics department?
Q. 4:What was the approximate difference in profit percentages of the store in 2017 and 2018?
1. 25.0
2. 33.3
3. 15.5
4. 8.3
1. 25
2. Option 4
3. 70
4. Option 4
Let the total revenue in 2016, 2017 and 2018 be 100x, 100y and 100z . The total cost in 2016, 2017 and 2018 be 100a, 100b and 100c.
The information given can be tabulated as below
REVENUE
COST
As revenue doubled in 2017 so 100y = 2(100x)
Or y = 2x
Also cost doubled in 2018 so 100c = 2(100a)
Or c = 2a
It is given that Profit in electronics in 2017 = 0
Which mean 30y = 40b
Percentage profit in 2016 = `100 -> x = 2a
In2018… -> 40z = 50c
Thus z =2.5a, x = 2a, y = 4a, b = 3a, c = 2a
profit in 2018 = (250a – 200a)/200a x 100 = 25
Rev produce in 2017/rev produce in 2018 = 40y/40z = 8/5
profit in 2016 = 100a. Profit from produce = 70a -> 70%
profit in 2017 = 400a – 300a / 300a = 33.33%
Profit in 2018 = 25%
Difference = 8.3
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