208k views
5 votes
Heather is filling her new Koi pond with a water hose. After 33 minutes, her pond has 74 gallons water. Her Koi pond holds 480 gallons of water. She adds another water hose that flows twice as fast. Find the constant of proportionality that relates the current flow rate? (round to nearest tenth) A) 2.2 B) 4.5 C) 6.7 D) 9.0

User KiuQ
by
7.6k points

2 Answers

1 vote

Answer:

C) 6.7

Explanation:

I took the test hope this helps

User AnHeuermann
by
8.2k points
6 votes
Initial flow rate: 74 gallons/33 minutes = 2.24 gallons/minute

Addtiional flow rate: 2*74/33 = 4.48 gallons/minute

Total new rate: 3*74/33 = 6.72 gallons/minute

The answer is the option C) 6.7
User Cowgirl
by
8.6k points