Here, this website explains it perfectly
Step-by-step explanation:
https://www.k5learning.com/blog/subtracting-positive-and-negative-numbers
150% is the percent markup of the price based on the cost.
Price : 1.25
Cost : 0.50
Mark up: 0.75
0.75 / 0.50 = 1.50 * 100% = 150%
Step-by-step explanation:
3-2(3x+1)=19

Answer:
65
Step-by-step explanation:
13$=20%(multiply by five to make 100%)
13$×5=65$