# The denominator of a certain fraction is three more than twice the numerator

Submitted by katherinei on Fri, 07/12/2013 - 00:36The denominator of a certain fraction is three more than twice the numerator. If 7 is added to both terms of the fraction, the resulting fraction is 3/5.

Find the original fraction.

# A bill for USD123 was paid with USD5 and USD1 notes.

Submitted by georgina4 on Wed, 07/10/2013 - 22:51A bill for $123 was paid with USD5 and USD1 notes. A total of 59 notes was used to pay the bill.

Find how many $5 notes were used.

# The sum of Jack's age and Jill's ages is 18.

Submitted by georgina4 on Wed, 07/10/2013 - 22:38The sum of Jack's age and Jill's ages is 18. In 3 years, Jack will be twice as old as Jill.

What are their ages now?

# In company X, about 3 times as many computers are manufactured per day

Submitted by georgina4 on Wed, 07/10/2013 - 21:04In company X, about 3 times as many computers are manufactured per day than in company Y.

If the total number of these computers manufactured per day is 26420, find the number manufactured in company Y and the number manufactured in company X.

# Mrs. Smith's Biology class has a total of 27 students

Submitted by francisrwd on Tue, 07/09/2013 - 20:50Mrs. Smith's Biology class has a total of 27 students. The number of males is 5 more than the number of females.

How many males and how many females are in the Biology class of Mrs. Smith?