96.9k views
3 votes
If the length of a rectangular sandbox is 5x+3 and the width is 2x-4, what is the perimeter of the sandbox?

User Bparker
by
6.8k points

2 Answers

2 votes

Answer:

14x - 2

Explanation:

The opposite sides of the rectangle are congruent, then perimeter (P) is

P = 2(5x + 3) + 2(2x - 4) ← distribute parenthesis

= 10x + 6 + 4x - 8 ← collect like terms

= 14x - 2

User Ostrokach
by
6.5k points
4 votes

Answer:

14x-2

Explanation:

This is the right answer

User Ackroydd
by
6.9k points
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