The water depth of a fish tank decreases 3/10 of an inch each day. How much does the water depth decrease, in inches, over 3 days? (1 point) Responses 3/30 in. 3/30 in. 9/30 in. 9/30 in. 9/10 in. 9/10 in. 9 inches 9 inches Question 2 Question #6:

Answer 1

To find the decrease in water depth over 3 days, we need to multiply the daily decrease by the number of days.

Daily decrease: 3/10 inch
Number of days: 3

Decrease in 3 days: (3/10 inch) x (3 days) = 9/10 inch

So, the water depth decreases by 9/10 inch over 3 days.