How many blue Marbles does Kevin has in the following statement? - ProProfs Discuss
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How many blue Marbles does Kevin has in the following statement?
Kevin has 250 marbles, some red and the rest blue.  He has 24 more blue marbles than red marbles. 



A. 113
B. 157
C. 137
D. 123

This question is part of Algebra 1 Semester Exam
Asked by Dinkinsk, Last updated: Dec 30, 2019

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2 Answers

eunice.

Eunice.

Answered Jan 15, 2017

In the equation, you can see that 250 marbles are split between blue marbles and red marbles. The equation states that there are 24 more blue marbles than red marbles. So let x = the number of red marbles. Which means that x + x + 24 = 250 marbles.We can simplify this to 2x + 24 = 250. Subtract 24 from each side to get 2x = 226. Then divide by 2 on each side to get that there are 113 red marbles. The question asked for the number of blue marbles, so you add 24 to 113 to get 137 blue marbles. To check, you can add 137 + 113 and you will get 250.
 

John Smith

John Smith

Answered Dec 18, 2016

137
 

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