2/3 of a number is 3 what is the number

4.5

Step-by-step explanation:

2/3 x = 3

x = 9/2 = 4.5

4.5

Step-by-step explanation:

2x/3=3

*3         *3

2x=9

:2    :2

x=4.5

I give you an explanation by drawing this

////      is the number

3          ( cause 2/3 are only 2 segments)

so  a segment is 3/2=1.5

3 segments  are  3*1.5=4.5

I hope you will understand !

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute: