Hanna bought 28 roses. She divided them into a number of bunches. Each bunch had 7 roses.


Which equation can be used to calculate the number of bunches of roses Hanna made?


Let the variable b stand for the unknown number of bunches.



A.

28 ÷ b = 7


B.

28b = 7


C.

b ÷ 7 = 28


D.

28 – b = 7