The side of the square is (12x+52)/4=3x+13.
Answer:
#1 is 6 candy bars
#2 i think it's n≥15
#3 x= 19/7
Step-by-step explanation:
X + y= 30
.05x + .10y= 1.65
n + d = 30
5n + 10d = 165
-5n - 5d = -150
5n + 10d = 165
5d = 15
d = 3 dimes
n + 3 = 30
n= 27 nickels