25- not nickel, 5- nickel
Can you move 3 matchsticks to create 3 regions and separate the coins into 10, 30 and 50 cents?
A man has 20 coins, consisting of dimes (10 cents) and quarters (25 cents). If the dimes were quarters and the quarters were dimes, he would have 90 cents more than he has now. How many dimes and quarters does he have?
With the numbers 123456789, make them add up to 100.
They must stay in the same order. (1 to 9)
You can use addition, subtraction, multiplication, and division.