3 years ago

What is the width of a rectangular room with an are 90 square feet and a length of 9 feet

Mathematics

2 answers:

Ostrovityanka [42]3 years ago

8 0

$A=lw\Rightarrow w=\frac{A}{l}=\frac{90}{9}=10\: ft$

Kaylis [27]3 years ago

5 0

Answer:

10 ft

Step-by-step explanation:

Area of a rectangular room is

A = l*w

We know the area and the length

90 = 9*w

Divide by 9

90/9 = 9w/9

10 =w

The width is 10 feet

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