Answer:
y = 6
Step-by-step explanation:
c
w =
p = 2l + 2w Subtract 2l from both sides of the equation
p - 2l = 2p Divide both sides by 2
= w
m=70/2=35
n=(360-70*2)/2=110
A = 2k² -k -15
L = k² -9
A/L
$725
3/4 of 20 = 15 necklaces
15 x 40 = 600
The rest:
5 x 25 = 125
125 + 600
= 725