3x+5=23 what is the value of x?
2 answers:
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Answer:
1) 22 inches, 24
Step-by-step explanation:
Barbara has a rectangular shaped mouse pad
Let the length of mouse pad = 8 inch
Breadth of a mouse pad= 3 inches
Perimeter of mouse pad= 2(l+b)
Perimeter of mouse pad= 2(8+3)
Perimeter of mouse pad= 2×11 inch
Perimeter of mouse pad= 22 inches
Area of a mouse pad= l×b
Area of a mouse pad= 8×3
Area of a mouse pad= 24
(15 + 9x) 
(24 + 10x)