A vat containing 10,000 gallons of black ink supplies 3 different printing presses. Press 1 uses 12 gallons per minute, press 2 uses 10 gallons per minute and press 3 uses 15 gallons per minute. If the vat was full at 7:30 AM and all three presses run constantly when will the vat run dry?

12:00 P. M.

12:00 A. M.

12:20 P. M.

2:00 P. M.

Question

Emeline

Mathematics

5 December, 21:55

A vat containing 10,000 gallons of black ink supplies 3 different printing presses. Press 1 uses 12 gallons per minute, press 2 uses 10 gallons per minute and press 3 uses 15 gallons per minute. If the vat was full at 7:30 AM and all three presses run constantly when will the vat run dry?

12:00 P. M.

12:00 A. M.

12:20 P. M.

2:00 P. M.

+1

Answers (2)

Know the Answer?

Mckinley Ortega · Answer 1

Answer: 12:00 A. M.

Press 1 after 1 hour - 720

Press 2 after 1 hour - 600

Press 3 after 1 hour - 900

Total after 1 hour - 2,220

10,000:2,220 = 4.5

4.5 hours after 7:30 am = 12 am

Travis Lowe · Answer 2

12:00 pm is the answer to this question.