Question

a certain number was multiplied by 3. then, this product was divided by 10.2. finally, 12.4 was subtracted from this quotient, resulting in a difference of -8.4. what was this number

Answer 1

13.6

Explanation:

`(3x)/(10.2) - 12.4 = - 8.4`

`(3x)/(10.2) = 4`

`3x = 40.8`

`x = 13.6`

Answer 2

A certain number was multiplied by 3. then, this product was divided by 3. Finally, 5 was subtracted from this quotient, resulting in a ...