Answer:
fraction of the wall is limestone is 4/22
or 2/11 as a reduced fraction
Step-by-step explanation:
the width is 22 in total
10 inches concrete = 10/22
8 inches brick : 8/22
4 inches limestone : 4/22
10/22+8/22+4/22=22/22=1
Use the formula
(
b
2
)
in order to create a new term. Solve for
x
by using this term to complete the square.
Exact Form:
=
±
√
5
−
8
Decimal Form:
5.76393202
…
,
10.23606797
