A local bank donated 4,074 pencils to distribute equally among the
42 sixth-grade classes in the district. How many pencils did each
class receive?
Show your work.
Help?

4n=2m

ratio of m to n: 2/4 = 1/2

answer

a. 1/2

can you post a picture or something

we need to divide the number of toy dinosaurs, 156, by the number of brothers, 4:

in order to estimate, we can use compatible numbers:

156 ÷ 4

  ↓

160   ÷ 4 = 40        

the correct answer is a).