Question

Romi's mother baked 9 cakes on Romi's

birthday. Romi cut each cake equally in 9
pieces for the guests. After the party was
over, he found there were 20 pieces left.
Assuming each guest took only 1 piece of
cake, how many guests attended the party?

Answer 1

61 guests

Explanation:

9 cakes were cut in 9 pieces, 9 x 9 = 81. There are 81 pieces in total and 20 were left over, 81 - 20 = 61. This means that there were 61 guests if each person ate one piece of cake.

Answer 2

61

Explanation: