317,272 views
23 votes
23 votes
The length of a rectangle is 7 less than the width. If the

perimeter is 50. What is the length and width? Write
an equation for the situation and solve.

User Franz Wimmer
by
2.5k points

1 Answer

20 votes
20 votes

Answer:

Explanation:

Let width = w

Length = w - 7

Perimeter = 2*(length + width)

2*(w-7 + w) = 50

2* (2w - 7) = 50

2*2w - 7*2 = 50

4w - 14 = 50

Add 14 to both the sides

4w = 50+ 14

4w = 64

Divide the entire equation by 4

w = 64/4

w = 16 units

Length = 16 - 7 = 9 units

User Pitfall
by
3.1k points