SOLUTION: The length of a rectangular photo is 2 inches greater than the width. the perimeter is 20 inches. find the length and width. (WRITE A SYSTEM OF 2 EQUATIONS IN TO 2 UNKNOWNS FOR EAC

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: The length of a rectangular photo is 2 inches greater than the width. the perimeter is 20 inches. find the length and width. (WRITE A SYSTEM OF 2 EQUATIONS IN TO 2 UNKNOWNS FOR EAC      Log On

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Question 926243: The length of a rectangular photo is 2 inches greater than the width. the perimeter is 20 inches. find the length and width. (WRITE A SYSTEM OF 2 EQUATIONS IN TO 2 UNKNOWNS FOR EACH PROBLEM AND SOLVE THEM).
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
w and L the dimensions;
L=w+2 and 2w+2L=20.
Simple substitution

2w%2B2%28w%2B2%29=20
w%2Bw%2B2=10
2w%2B2=10
w%2B1=5
highlight%28w=4%29
and the L=4+2