60 percent of a number is 12 times less than 3 times of it

60 percent of a number is 12 times less than 3 times of it


Let this number be X
60%x=3x-12
2.4x=12
x=5



Solving the equation: 5 times of a number is 2 less than 75% of 12. What's the number?


Let this number be X
5x=12×75%-2
5x=9-2
5x=7
x=1.4
A: the number is 1.4



A number is 0.6 less than 75% of 12.8. What's the number?


12.8 × 75% - 0.6 = 9.6-0.6 = 9