15
Twenty of them.
twenty 4 x 10 = 40 = 2 x 20
15 x 2 = 3030 = 5 x 6
25 two-dollar bills is equal in value to one fifty-dollar bill.
15 of them.
Well, 25 twos is equal to 50. So 10 fives are equal equal to 25 twos.
Twenty of them.
6 fives
twenty 4 x 10 = 40 = 2 x 20
None.
15 x 2 = 3030 = 5 x 6
25 two-dollar bills is equal in value to one fifty-dollar bill.
43 and 5 41 and 7 37 and 11 31 and 17 29 and 19 Twenty-four twos
Yes, the sum of infinite ones equal the sum of infinite twos.
5 x 2 = 10