Homework Help: Math

Posted by Jerald on Wednesday, October 17, 2012 at 5:55pm.

Children 13 and younger make up 1/5 of the population in the U.S. What percentage of the population is older than 13
A.80%
B.60%
C.40%
D.20%
D?

According to a survey 3 out o5 5 students bring their own lunch to school. What percent of students bring lunches
A.35%
B.40%
C.45%
D.60%
D?

Math - Ms. Sue, Wednesday, October 17, 2012 at 6:01pm
Your first is wrong; the second is right.
Math - Jerald, Wednesday, October 17, 2012 at 6:04pm
How do I solve it?
Math - Ms. Sue, Wednesday, October 17, 2012 at 6:12pm
1/5 = 20% of the population is under 13. Your question asks "What percentage of the population is older than 13?"
Math - Jerald, Wednesday, October 17, 2012 at 6:46pm
80%?
Math - Ms. Sue, Wednesday, October 17, 2012 at 6:50pm
Right!

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