Respuesta :

Answer:

24

Step-by-step explanation:

30%+40%=70%

100%-70%= 30%

what's 30% of 80?

80×0.3= 24

30% of 80 is 24.
40% of 80 is 32.

that is 56 shirts combined with blue and red shirts. 80 - 56 is 24 shirts :)