Algebra Help

If you have a general Algebra question I just put up a new blog site which is a work in progress where you can ask general Algebra questions or review.  Fractions, percentages, equation manipulation, binomial formula, completing the square,  etc.  You can check out the Algebra Help 101 blog site here.

Number Problem 13

This is a algebra number problem asked by an anonymous poster which read, "A maths test contains 10 questions. Ten points are given for each correct answer and three points deducted for an incorrect answer. If Ralph scored 61, how many did he get correct?"


Number Problem 13 Answer Here!

Age Problem 8

This is a age algebra word problem that was asked by Joshua that read: "A man is 4 years older than his wife and 5 times as old as his son. When the son was born, the age of the wife was six-sevenths that of her husband's age. Find the age of each."


Age Problem 8 Answer Here!

Number Problem 12

This is a number algebra word problem that was asked by Zakeus who said , "The numerator and denominator of a fraction are together equal to 100. Increase the numerator by 18 and decrease the denominator by 16 and the fraction is doubled. What is the fraction?"




Number Problem 12 Solution Here!

Time and Distance Problem 13

This is a algebra time and distance word problem asked by a anonymous user: "Two trains left a station at the same time. One traveled north at a certain speed and the other traveled south at twice that speed. After 3 hours , the trains were 400 miles apart. How fast was each train traveling?"



Time and Distance Problem 13 Solution Here!

Age Problem 7

This is a algebra age word problem as asked by a anonymous user: "Nona is one-third as old as her mother. Five years ago, she was only one-fifth of the age of her mother. How old is Nona now? "


Age Problem 7 Solution Here!

Mixture Problem 7

This is a new algebra mixture problem as asked by Califax who asked, "A 50-lb solution of acid and water is 20% (by weight). How much pure acid must be added to this solution to make it 30% acid?"



Mixture Problem 7 Answer Here!

Number Problem 11

This is a new problem as asked by a anonymous visitor which read: "a number added to five times its reciprocal is -6. find the number "




Number Problem 11 Solution Here