Asmall tank, which initially contained 150 gallons of water, is being drained at a constant rate of 2 gallons per minute. in how many minutes will the tank be half- empty?

The tank will be half empty after 37.5 min, or 37 min 30 sec.

Step-by-step explanation:

"Half empty" means that the tank still contains 75 gallons of water.

75 gallons

= 37.5 min

2 gal/min

The tank will be half empty after 37.5 min, or 37 min 30 sec.

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7