Answer:
3(60/10)
Step-by-step explanation:
10 students require 3 cookies, which you already know. So, since you need to find for 60, you can divide 60 by 10 into 6. Then, 6x3 will equal 18. Or, you can say:
10=3
20=6
30=9
40=12
50=15
60=18
10x2=3x2 and so forth....
