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Must show all work for 15 points

Must show all work for 15 points-example-1
User Mouad
by
7.6k points

1 Answer

6 votes

Answer:

Hey there!

a)

10x-1=4x+2

6x-1=2

6x=3

x=1/2 cm.

10x-1=4 cm.

So the width of the rectangle is 10/4, or 2.5 cm.

b)

l=3w

2l+2w=24

2(3w)+2w=24

6w+2w=24

8w=24

w=3

l=9

The are is 27 units squared.

Let me know if this helps :)

User Matt Stow
by
8.2k points

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