All we have to do is divide the money she spent on fruit by the total and multiply that by 100.
18÷45
.4×100
40
So, Carmen spent 40% of her money on fruit.
25 percent of x is equal to $1631.24
.25*4 is equal to 100 percent
Substitute
1631.24*4=x
x=6524.96
Answer:

Step-by-step explanation:
Let the three sides be a, b and c respectively.
Such that:



Required
Determine the area
This is calculated as:

Where

Substitute values for a, b and c



Substitute values for a, b, c and s in




-- Approximated
The distance is 6 I think