Sara is an assistant manager in a clothing store. Her boss told her it is time to unload last year's fashions. He told her to reduce prices of all clothes by 25%.
One red dress normally sells for $299.00. It did not sell. So the boss told Sara to reduce the discounted price by 25%. What is the sale price of this dress?
Show how the English is framing the calculations to get the right answer.
Wednesday, July 6, 2011
Solution to Contest #8
Jack has two bank accounts that total $1,041.50.
x = first bank account, y = second bank account
x + y = 1,041.50
The first bank account has 35.1% less money than the second bank account.
x = y * (1 - 0.351) = y * 0.649
Solving:
y * 0.649 + y = 1,041.50
1.649 * y = 1,041.50
y = 631.50
So x = 1,041.50 - 631.60 = 409.90
What is the difference between the first and second bank account?
631.60 - 409.90 = 221.70
The difference between the two bank accounts is $221.70. Did you understand how the English formulated these calculations?
If the question was rephrased "The second bank account had 35.1% more money than the first," would the answer be different?
x = first bank account, y = second bank account
x + y = 1,041.50
The first bank account has 35.1% less money than the second bank account.
x = y * (1 - 0.351) = y * 0.649
Solving:
y * 0.649 + y = 1,041.50
1.649 * y = 1,041.50
y = 631.50
So x = 1,041.50 - 631.60 = 409.90
What is the difference between the first and second bank account?
631.60 - 409.90 = 221.70
The difference between the two bank accounts is $221.70. Did you understand how the English formulated these calculations?
If the question was rephrased "The second bank account had 35.1% more money than the first," would the answer be different?
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