Set Melissa
Posted on Sunday, November 16th, 2008 at 7:07 amHelp me set up proportions/equations for these problems please!?
1. Melissa cut a 150 centimeter board into two pieces. One piece is 24 centimeters longer than the other piece. How long is each piece?
2. When Mr. Headly was in college, he could run 5 kilometers in 17.5 minutes. If he continued running at the same pace, how many kilometers could he run in 50 minutes?
1.x+24+x=150
2x+24=150
2x=126
x=63
One piece is 63 cm and the longest piece is 87 cm.
2. 5/17.5=x/50
5(50)=17.5x
250/17.5=17.5x/17.5
x=14.29 km (about)
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