Asked by valerie
Danny has 75 marbles in red color and blue color. He found out number of red marbles is 15 less than twice of the blue marbles. What are the numbers of red and blue marbles does danny have?
Answers
Answered by
Ms. Sue
red = 2b - 15
b + 2b - 15 = 75
3b = 90
b = 30
b + 2b - 15 = 75
3b = 90
b = 30
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