Posted by Jasmine on Wednesday, April 27, 2011 at 6:24pm.
A child's train ticket costs $7. That is 1/4 as much as an adult's ticket. How much does an adult's train ticket cost?

Math  Ms. Sue, Wednesday, April 27, 2011 at 6:28pm
(1/4)x = 7
x = 7/(1/4)
x = 7 * (4/1)
x = 28 
Math  Devorah, Wednesday, December 7, 2016 at 11:37pm
Mona and her son must take the train. They are told that a chil's ticket xosts in only 2/3 of an adult's ticket. Knowing that an adult's tocket costs $8.50 more than a childs ticket, find the price of each person's ticket.