SOLUTION: Please help... i need to do all these steps for the next word problem: 1st step- write a "let" statement, & express other quantities in terms of x 2nd step- translate to equation

Question 209923: Please help... i need to do all these steps for the next word problem:
1st step- write a "let" statement, & express other quantities in terms of x
2nd step- translate to equation
3rd step- solve
4th step- check
5th step- answer question in a complete sentence.
-> The sides of a triangle are in the ratio 5:12:13. What is the lenght of each side of the triangle if the perimeter of the triangle is 15 in.?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
> The sides of a triangle are in the ratio 5:12:13.
What is the length of each side of the triangle if the perimeter of the triangle is 15 in.
:
Let x = the multiplier of each ratio value to achieve this perimeter:
:
5x + 12x + 13x = 15
30x = 15
x =
x = .5
:
The dimensions:
.5(5) = 2.5
.5(12) = 6
.5(13) = 6.5
;
:
Check solution: 2.5 + 6 + 6.5 = 15
:
Statement.
multiply each of the ratio values by one half to get a perimeter of 15
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