If you would like to find the fraction of packages of banana chips Sergio ate every day, you can calculate this using the following steps:
12 packages of banana chips ... 1 week = 7 days
x packages of banana chips = ? ... 1 day
12 * 1 = 7 * x
12 = 7 * x
x = 12 / 7
x = 1 5/7 packages of banana chips per day
The fraction would be 12/7 packages of banana chips per day.
