Word problem

Ask the math tutor!

Word problem

Postby Guest » Fri Jan 31, 2014 3:05 pm

After spending $200 dollars at the store, Eric has 20% of his money left. How much did he start with? I know the answer is $250, but I cannot figure out the equation that proves this.
Guest
 

Re: word problem

Postby Guest » Fri Jan 31, 2014 9:25 pm

Let X = start amount
(200/X) = (80/100)
80 x X = 200 x 100
X = 20000/80
X = 250
Guest
 


Return to Ask the tutor



Who is online

Users browsing this forum: No registered users and 2 guests