Question

Dirk plants 12 seedlings in 8 min.



At this rate, how many seedlings could he plant in 70 min?



A.80

B.105

C.120

D.210

Answer 1

the answer would be b 105

Answer 2

this is a proportion question 
in 8 minutes he plants 12 seedlings
so in 1 minute he plants 12/8 seedlings

In 70 minutes he plants    (12 * 70) / 8 = 105 seedlings.