Ken spent of his money on 15 calculators and 31 pens. The cost of a calculator was 3 times the cost of a pen. He bought some more calculators with of his remaining money. How many calculators did Ken buy altogether?

Ken spent of his money on 15 calculators and 31 pens. The cost of a calculator was 3 times the cost of a pen. He bought some more calculators with of his remaining money. How many calculators did Ken buy altogether?

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter3: Math Models

Section: Chapter Questions

Problem 428PT: Marla’s breakfast was 525 calories. This was 35% of her total calories for the day. How many...

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

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Ken spent of his money on 15 calculators and 31 pens. The cost of a
calculator was 3 times the cost of a pen. He bought some more calculators
with
of his remaining money. How many calculators did Ken buy altogether?

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