algebra 1
posted by Kylie on .
The perimeter of a triange with sides a,b,and c is 24 cm. Side a is 2cm longer than side b. The ration of the lenghts of sides b and c is 3:5. What are the lenghts of the three sides of the triangle?

a=b+2
5b=3c
a+b+c=24
(b+2)+b+(5/3 b) = 24
11/3 b = 22
b = 6
so, the sides are 8,6,10