Question

40 children use 1 pen so 4000 children how many use pen

Answer 1

hey dear


here is your answer


Solution


40 children uses 1 pen so

4000 children uses ?


we use unitary method

4000/ 40


hence your answer is 100


4000 student uses 100 pen


hope it helps

thank you

Answer 2

so simple
number of children / NO. of pens
=4000/40=100 answer