5 times of a number, minus the quotient of 2.5 divided by 12.5, the difference is 9.5, find the number (solution of the equation)

5 times of a number, minus the quotient of 2.5 divided by 12.5, the difference is 9.5, find the number (solution of the equation)

Let this number be X
5X-12.5÷2.5=9.5
5X=9.5+5
X=2.9

5 times a number, minus 12.5 divided by 2.5, the difference is 9.5, find this number

Let this number be x, then 5x-2.5 △ 12.5 = 9.5 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 5x-0.2 = 9.5 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 5x = 9.7 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; X = 1.94. A: this number is 1.94

What is the difference between 0.8 divided by 21.36 and 12.9? (equation solution)

Set the difference to X
X+12.9=21.36÷0.8
X+12.9=26.7
X=26.7-12.9
X=13.8
A: the difference is 13.8%

What's the quotient of 8 times 2.5 minus 12.8 and dividing by 0.4

18