A culture started with 1,000 bacteria. After 4 hours, it grew to 1,100 bacteria. Predict how many bacteria will be present after 12 hours. Round your answer to the nearest whole number.

1,300

Step-by-step explanation:

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.