Which of the following statements is true?
a
6.75 < 6.759 < 6.751 < 6.85
b
5.55 < 5.559 < 5.65 < 5.69
c
4.11 < 4.12 < 4.17 < 4.15
d
7.42 < 7.41 < 7.40 < 7.39

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.