Paolo solved an inequality and graphed the solution on the number line. Which of the following inequalities did he solve? Number line from 10 to -10. Open circle on 4 going to -10.

a) 3.7x>14.8
3.7 x greater than 14.8

b) 4.9x>19.6
4.9 x greater than 19.6

c) 2.1x<8.4
2.1 x less than 8.4

d) 2.8x<10.5