You would multiply 36 and 6 to get x
In 2 hours,hope this helps :)
All you have to do is add like terms,
3.2x +(-5.6x)= -2.4x
-6+4= -2
Anyway, answer is
-2.4x-2
Roger is going to invite 12 girls and only 4 boys
Since 16 is divided by four, we can take three groups of four to represent the girls
And one group of four to represent the boys.
If the machine makes 5 buttons at a time,and each doll gets 5 buttons then one doll is the answer