Add 11 once and remove 7 thrice 80+11 = 91 7X3 = 21 91-21 =70
Yes, because 80 + 11 - 7 = 84 is a multiple of 7.
Add together three of the numbers below to score 30.
Each number can be used as many times as you wish.
How many different combinations are there?
0 2 3 5 10 15 20 25
Add together three of the following numbers to score 35.
0 5 10 15 20 25