The width of a rectangle is 3ft more than one half it's length, and the perimeter of the rectangle is 36ft. Therefore, the legth
and width of the rectangle are respectively what
1 answer:
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This is how I would do it, hope this helps!
Answer:
8.4 dollars
Step-by-step explanation:
The error is in the resolution of the proportion. In fact, the initial proportion is correct:
where x is the total cost. However, the following step of the resolution is wrong. In fact, the correct resolution is the following:
- Multiplying by x on both sides:
- Multiplying by 3.5 no both sides:
And now we can find x:
So, the total cost is 8.4 dollars.