Concept explainers
To find: An equation to determine how many blue marbles Drew has.
Answer to Problem 4MCQ
Drew has 16 blue marbles.
Explanation of Solution
Given information:
Drew has 50 red, green, and blue marbles.
He has six more red marbles than blue marbles.
And four fewer green marbles than blue marbles.
Calculation:
Let the blue marble be x.
Therefore, no of red marbles
So, no of green marbles
Therefore, the required equation is:
(
(Subtract 2 on both sides)
(Dividing 3 on both sides)
(48 divided by 3 is equal to 16)
So, the required number of blue marbles is 16.
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