Answer:
The amount one locust eats in a week is 420/30 = 14 grams so it eats 14/7 = 2 grams per day, therefore 21 locusts can eat 21 * 14 = 42 grams per day. 420 / 42 = 10 so the answer is 10 days or 1 week and 3 days.
the answer is, c) distributive
Right side was multiplied by 6 so you multiply the left side by 6 so 72:6
Answer:
Step-by-step explanation:
can be said as " divided by 
", so the ? is .
