Which equation can Saanvi use to determine the number of books in each group?

A)4 × ♦ = 284 × ♦ = 28
B)7 × ♦ = 287 × ♦ = 28
C)28 ÷ 7 = ♦28 ÷ 7 = ♦
D)24 ÷ ♦ = 4

C) 28 ÷ 7 = ♦28 ÷ 7 = ♦