W+b=30
5.50w+8.75b=204
Use simultaneous equations to solve. Replace w with 30-b and plug into the second equation.
5.50(30-b)+8.75b=204
165-5.5b+8.75b=204
3.25b=39
b=12
She sold 12 belts.
The correct answer is C 17 units
The answer to the problem is 9.
<span>It is because the midsegment is half the parallel side's length.
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12/5
when you’re dividing by a fraction, you multiply by its reciprocal. 2 / 5/6 is the same as 2*6/5. 2*6 is 12, so your answer is 12/5
Total parts:
3+2= 5
Half of perimeter (or the sum of the length and the width) is:
60 ft/2= 30 ft
Each part is:
30 ft/ 5 parts= 6 ft/part
The length costs 3 parts, and the length is:
6 ft/ 1 part* 3 parts= 18 ft.
The width costs 2 parts, and the width is:
6 ft/ 1 part* 2 parts= 12 ft.
The length and the width of the rectangle are 18 ft and 12 ft respectively~