Cost = fix cost + hourly cost - discount
Cost = 4* [5 + 4x - 4x(20/100)] = 4*[5 + 4x - 0.8x] = 4*[5 + 3.2x] = 20 + 12.8x
Answer: option B) 12.8x + 20
Step-by-step explanation:
answer is B
use unitary method to solve it
Answer:
the answer to this question is x=21
Step-by-step explanation:
Hope this didnt help
I feel like #19 is cut off...
20. 72000000 = 7.2 x 10^7
if you do 72000000.0 and move the decimal to the left until the number is less than 10, it'll be 7 spaces.
Answer:
He would need to save 500 dollars a month because 500x for two years (24 months) equals 12,000.
12,000 plus 3000 equals to 15,000
Step-by-step explanation:
hope this helps :)