Let the numbers x and 4x
According to the question, the difference between the numbers=90
4x-x=90
3x=90
x=90/3
x=30
There fore, the two numbers are 30 and 120
×=30
понятно если не понятно НАПИШИТЕ
Let the numbers x and 4x
According to the question, the difference between the numbers=90
4x-x=90
3x=90
x=90/3
x=30
There fore, the two numbers are 30 and 120
×=30
понятно если не понятно НАПИШИТЕ