Answer:
20 Blocks
Step-by-step explanation:
6 Minutes     4 Blocks
----------------- = -------------------
30 Minutes    20 Blocks
Because 6 was multiplied by 5 to get 30 minutes in total then 4 blocks need to be multiplied by 5 as well.
Answer:
20 blocks
Step-by-step explanation:
Just did it on Edmentum and got it right