Question 490744
Separate 180 into two parts so that one part will be 3 1/2 times the other.
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Let x = other part
then from "one part will be 3 1/2 times the other"
3.5x = one part
.
x + 3.5x = 180
4.5x = 180 
x = 180/4.5
x = 40  
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"one part":
3.5x = 140
.
answer: 40 and 140