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Business Mathematics Brief 12th Edition by Stanley Salzman ,Gary Clendenen, Charles Miller
Edition 12ISBN: 978-0132605540Business Mathematics Brief 12th Edition by Stanley Salzman ,Gary Clendenen, Charles Miller
Edition 12ISBN: 978-0132605540 Exercise 33
Solve for base in the following. Round to the nearest cent. (Hint: Original ? Decrease = New Value.) (See Example.)
Using a Diagram to Understand a Decrease Problem
After Nike deducted 10, from the price of a pair of competition running shoes, Katie Small paid $135. What was the original price of the shoes?
SOLUTION
The phrase "deducted 10, from the price" indicates it is a decrease problem. The original price is the unknown.
Quick TIP
The common error made in decrease problems is thinking that the reduced price is the base. The original price is actually the base.
Ten percent was deducted from the original price. The resulting price paid of $135 is 90, of the original price. So, part ( P ) = $135 and rate ( R ) = 90%
Check the answer.
Using a Diagram to Understand a Decrease Problem
After Nike deducted 10, from the price of a pair of competition running shoes, Katie Small paid $135. What was the original price of the shoes?
SOLUTION
The phrase "deducted 10, from the price" indicates it is a decrease problem. The original price is the unknown.
Quick TIP
The common error made in decrease problems is thinking that the reduced price is the base. The original price is actually the base.
Ten percent was deducted from the original price. The resulting price paid of $135 is 90, of the original price. So, part ( P ) = $135 and rate ( R ) = 90%
Check the answer.
Explanation
Verified
Verified
Recall the basic formula,
"Original 
De...
Business Mathematics Brief 12th Edition by Stanley Salzman ,Gary Clendenen, Charles Miller
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