Question

Write an equivalent expression to show the relationship of multiplication and addition.
p+p+p+p+q+q+r+r+r

Answer 1

since there are 4 p's, 2 q's, and 3 r's in the equation you can simplify as 4p+2q+3r

Answer 2

4p+2q+3r. There are 4 p's, meaning p times four, or 4p. Same concept with q and r.