Juana has purchased 112 cases of bottled water for the annual picnic and work. Each case contains 28 bottles of water and Juana has calculated that she purchased a total of 3136 bottles. Which method can be used to show that Juana’s coucliation is reasonable? A. Round 112 to 110 and 28 to 29, then multiply.

B. Round 112 to 110 and 28 to 29, then multiply

C. Round 112 to 120 and 28 to 20, then multiply.

D. Round 112 to 120 and 28 to 30, then multiply