What is the fewest number of 7's that can be added together to make their sum greater than 4000?

A) 4001
B) 572
C) 571
D) 470

1 answer

7 x > 4000

x > 4000/7 or 571.4

571*7 = 3997 too small

572*7 = 4004, that will do
so
572