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01 Apr 2020, 22:23
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A clothing store’s total opening-year sales were $50,000. The total sales increased by 20% in the second year, increased by 10% in the third year, and decreased by 5% in the fourth year. What was the total amount of the store’s sales (in whole dollars) in year 4?
A) $19,300
B) $62,500
C) $62,700
D) $67,500
E) $69,300
A) $19,300
B) $62,500
C) $62,700
D) $67,500
E) $69,300
01 Apr 2020, 22:31
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CAMANISHPARMAR
A clothing store’s total opening-year sales were $50,000. The total sales increased by 20% in the second year, increased by 10% in the third year, and decreased by 5% in the fourth year. What was the total amount of the store’s sales (in whole dollars) in year 4?
A) $19,300
B) $62,500
C) $62,700
D) $67,500
E) $69,300
A) $19,300
B) $62,500
C) $62,700
D) $67,500
E) $69,300
Let, Sales in 1st year = 100
Sales in 2nd year = 100+20% of 100 = 120
Sales in 3rd Year = 120 + 10% of 120 = 132
Sales in 04th year = 132-5% of 132 = 132 - 6.6 = 125.4
If 100 = 50000 ( in real)
then, 125.4 = 50,000*125.4/100 = 62700
Answer: Option C
03 Apr 2020, 07:26
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CAMANISHPARMAR
A clothing store’s total opening-year sales were $50,000. The total sales increased by 20% in the second year, increased by 10% in the third year, and decreased by 5% in the fourth year. What was the total amount of the store’s sales (in whole dollars) in year 4?
A) $19,300
B) $62,500
C) $62,700
D) $67,500
E) $69,300
A) $19,300
B) $62,500
C) $62,700
D) $67,500
E) $69,300
Initially I tried going the multiplication route and quickly things spiraled out of control.
Basically this is what I tried: 50,000 * 1.20 *1.10 * 0.95 = x
On calculator this works, but the large numbers quickly spiraled out of control and took a lot of time.
So just by some mental math.
50,000 + 10% + 10% = 60,000
60,000 + 10% = 66,000
66,000 - 5% (10% = 6600, thus 5% equals to 3300) = 66000 - 3300 = $62,700
Thus answer C
