Humans breathe about 15 breaths in a minute. The average breath at rest contains 0.76 liter of air. About how many liters of air
will vou breathe while at rest for 25 minutes?

Humans breathe about 300 liters of air in 25 minutes

∠cbe and ∠deb are same-side interior angles.

i took the test

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.