Marcus uses 3 times as much lace as Jane. Together they use 64 inches. How much lace does each person use

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Question

Grade: Education Subject: mathematics
Marcus uses 3 times as much lace as Jane. Together they use 64 inches. How much lace does each person use
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Answer (106)

Best Answer
(320)
Let Jane use 'X' lace.
Then,
Marcus uses '3X' lace  [ according to the question]
Here,
 X + 3X = 64
 4X = 64
 X = 16

So, Jane uses 16 laces and 
Marcus uses 3*16 = 48 laces
(57)
Marcus 48
Jane 16
j+3j=64
4j =64
j=16