140
The area is lengthX width so (7+7)(5+5) which is just 14 x 10
Because the square has similar lengths, the equation would be
(7x-2)(7x-2)
We can use FOIL to solve this:
The area is 49x^2 - 28x + 4 in^2.
Let X the number of attempts.
Then we deduce the equation:
Solving the above equation for X we get:
<span>Enberto made 15 attempts. </span>
I can't really see the question can u redo it