Answer:
4
Step-by-step explanation:
add the numbers.
3+7+4+2= 16
then divide the answer by how much there is.
16 // 4= 4
//= divide
hope this helps
bro just use photo math, download it and trust me it works
The answers are in the attachment
200*50+200*50+70*60
=24200 mm^{2}
