Question 265327
'Fido earns 2 treats for sitting and 4 treats for rolling over on command.  He has sat 6 times as often as he's rolled over.  He earned 80 treats total.  How many times has he sat?

let him roll x times

he sat 6x times

2*6x+4*x= 80

12x+4x+80

16x=80
x=80/16
x=5  no of times he rolls

6x= 6*5= 30 No. of times he sat