There are 36 girls with red shirts. There are 19 boys with red shirts. There are 16 girls with blue shirts. How many children have red shirts?

36 + 19 =

To find out how many children have red shirts, we need to add the number of girls with red shirts and the number of boys with red shirts.

Given:
Number of girls with red shirts = 36
Number of boys with red shirts = 19

So, the total number of children with red shirts is 36 + 19 = 55.