24x-1+20x+5=180
44x+4=180
44x=176
x=4
Therefore, 20x+ 5 is equivalent to 20(4)+5
20(4)+5
80+5
85
Hope this helps :)
I believe the answer is B
The unit rate for the first question is 0.19 ounce. the second one the unit rate is 0.16 the 36 ounce is the better buy.
A is equal to -1/2
B is equal to .866
C is equal to 1/2
D is equal to -.866
Therefore your correct answer is c