Question 22
Two discs have different numbers on each side as shown.
The discs are flipped and they land on a table. The two numbers on the sides that are showing are added. If the possible sums that can be obtained in this way are 8, 9, 10 and 11, the sum b + c + d is
The discs are flipped and they land on a table. The two numbers on the sides that are showing are added. If the possible sums that can be obtained in this way are 8, 9, 10 and 11, the sum b + c + d is