Answer:
7
Step-by-step explanation:
210=5×6×x
x is length of aquarium.
210÷(5×6)=7
$/sqrt{9}$
Answer: with 11 miles, it can travel 220 miles
A: Diane earns 200 + (10×20)= 400
B: Darryl earns (400-250)/20= $7.50 per hour