Maria borrowed $3,000 at a simple interest rate of 4% per year. How much did she have to repay after 4 years?
2 answers:
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Answer:
The width is 7 meters and the length is 13 meters
Step-by-step explanation:
The perimeter of a rectangle sandpit is 40 meters.
Let the width be w units, then the length which is 1 meter less than twice it’s width becomes:
The perimeter of a rectangle is given by:
We substitute P=40 and the length in term of w to get:
We simplify to get:
Divide through by 2 to get:
Hence