Afood truck owner randomly samples 100 customers on two separate days to see what food items they bought. the data shows the results of the two samples.

burgers tacos pizza total
day 1 35 27 38 100
day 2 45 24 31 100
the food truck owner expects 900 customers.

based on the samples, about how many burgers will the food truck sell?

enter your answer rounded to the nearest whole number in the box.