Question

Nola had 124 sheets of colored paper.
: She used 20 sheets to make a picture
: She used all of the remaining sheets to make 4 posters
: She used the same number of sheets to make easy poster
Which equation can be used to find "n", the number of sheets of colored paper Nola used to make each poster?
F. (124+20)❎4=n
G.(124-20)+4=n
H.(124-20)❎4=n
J.(124+20)+4=n
Please help I'll give a medal and a fan!!!