The length of a rectangle is 9 less than 4 less than the width. The perimeter is 143. Find the width and length.
1 answer:
The formula for perimeter is 2l+2w. Since we know l=(w-4)-9, we can substitute this into the formula.
l=w-13
2(w-13)+2w=143
2w-26+2w=143
4w=169
w=42.25 units
Hope this helps!
You might be interested in
$8 + $7 + $13 + 15 = $43
$x - $43 = $12
x = $55
i am a mathematics teacher. if anything to ask please pm me
Answer:
y = 2/3x+3
Step-by-step explanation:
Answer:
2.
Step-by-step explanation:
The common difference is 5 so the first number is 7 - 5 = 2.
