Homework Help: Math

Posted by Jerald on Monday, November 26, 2012 at 6:02pm.

The ratio of blue to red cars in the parking lot is 3 to 5. If there were 60 red cars how many blue cars would there be?
A.50
B.40
C.38
D.36
How do you solve it

Math - Harley, Monday, November 26, 2012 at 6:06pm
A:50
Math - Ms. Sue, Monday, November 26, 2012 at 6:09pm
Harley is incorrect.

Set up a proportion, cross multiply, and solve for x.

3/5 = x/60

5x = 180

x = 36
Math - Jerald, Monday, November 26, 2012 at 6:27pm
Thank you Ms.Sue
Math - Ms. Sue, Monday, November 26, 2012 at 6:36pm
You're welcome, Jerald.

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