Question

The equation y=0.75x + 0.4y=0.75x+0.4 models the number of millimeters of water,y, in a test tube x minutes after a chemical process has been started. How many millimeters of water is in the test tube after 20 minutes?

Answer 1

Answer:

after 5 mins y=1

after 15 y=3

after 20 y=4

Step-by-step explanation: