Question 974858
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If Joshua was a year older he would be three times as old as his brother. His brother is 4. 
How old is Joshua?
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        The solution in the post by @lwssthak3, giving the answer 14 years for Joshua's age is incorrect.

        The cause is that his setup equation is written incorrectly.

        Below see my correct solution.



let x=Joshua's age
x+1 = 3*4 = 12
x = 12 - 1 = 11
Joshua's age is 11 years. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>ANSWER</U>


Solved correctly.