Question 16 Lucy spent $15 on supplies to make bracelets. She sold each bracelet for $1.25. Which function describes the profit Lucy made, in dollars, on x bracelets sold?

A
P(x)=1.25x+15

B
P(x)=15x+1.25

C
P(x)=15x−1.25

D
P(x)=1.25x−15

9514 1404 393

  D  P(x)=1.25x−15

Step-by-step explanation:

Profit is the difference between revenue (1.25x) and cost (15). The equation for it will be ...

  P(x)=1.25x−15

geometry: triangles

solvers

lessons

answers archive

call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

25.45584

what i would say the best answer is a. 40.5