Asked by widyan
Timothy had a total of 238 blue and red marbles. He gave 3/7 of the blue marbles and 5/8 of the red marbles away. Altogether, Timothy gave away 124 marbles.How many red marbles did Timothy give away? (Skill: Equations)
Answers
Answered by
Reiny
number of blues ---- x
number of reds ----- 238-x
(3/7)x + (5/8)(238-x) = 124
solve for x
(I suggest multiplying each of the 3 terms by 56 , the LCD )
number of reds ----- 238-x
(3/7)x + (5/8)(238-x) = 124
solve for x
(I suggest multiplying each of the 3 terms by 56 , the LCD )
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