Write an equation and solve for x.
On Monday, 449 students went on a trip to the zoo. All 9 buses were filled and 8 students had to travel in cars. How many students were on each bus?
Let x be the number of students on each bus.
9 buses were filled, so 9x students were on the buses.
8 students had to travel in cars.
The total number of students on the trip is 449.
Hence, the equation is:
9x + 8 = 449.
To solve for x, we can subtract 8 from both sides of the equation:
9x + 8 - 8 = 449 - 8,
9x = 441.
Dividing both sides of the equation by 9 gives:
x = 441/9.
Simplifying the right side gives:
x = 49.
Therefore, there were 49 students on each bus.