Question

Write an equivalent expression for n×a using only addition

Answer 1

Hello from MrBillDoesMath!

Answer:

n * a =  a + a + a+...    + a   (n times)

where "n" is assumed to be an integer

Regards,  

MrB

P.S.  I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!