Answer:
7 ft
Step-by-step explanation:
Perimeter of a rectangle is denoted by the formula: , where l is the length and w is the width.
We know that P = 20 and that w = 3. So, let's plug these values in:
Isolate the variable by subtracting 6 from both sides and dividing by 2:
Thus, the answer is 7 feet.
Hope this helps!
Given that Jessica is a custodian at Oracle Arena.
She waxes 20 square meters space of the floor in 5/3 of an hour. Jessica waxes the floor at a constant rate means rate will remain fixed for any hour.
Now we have to find about how many square meters can she wax per hour.
To find that we just need to divide 20 squaer meters by 5/3 hours
=12
Hence final answer is 12 square meters can she wax per hour.
Which can also be written as per hour.