Mark spent 3/8 of his money on 3 pens and 4 sharpeners. A sharpener costs 3/4 as much as a pen. What is the maximum number of sharpeners he can buy with his remaining money?
Mark spent 3/8 of his money on 3 pens and 4 sharpeners. A sharpener costs 3/4 as much as a pen. What is the maximum number of sharpeners he can buy with his remaining money?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.10: Problems Without Solutions
Problem 15P
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Mark spent 3/8 of his money on 3 pens and 4 sharpeners. A sharpener costs 3/4 as much as a pen. What is the maximum number of sharpeners he can buy with his remaining money?
Expert Solution
Step 1
Given:
Let's take the total money as x, pens as p and sharpeners as s.
Money spent on 3 pens and 4 sharpeners is,
Cost of sharpener is 3/4 as much as pen.
Step 2
Substitute p in (1)
So, with 3/8 of total money he can buy 8 sharpeners.
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