The sum of two numbers is 15. One number is 3 less than the other number. Find the smaller number

6+9 I think so 6

Step-by-step explanation:

I think this is right, hope it helped!

6

Step-by-step explanation:

First make an equation where x symbolises the bigger number.x-3 is the smaller one. Solve for x.

x+(x-3)=15

x+x-3=15

x+x=15+3

2x=18/:2

x=6

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.