Break the Safe
Use your sneaky skills to unlock the safe. There are four questions, each resulting an a single digit answer. Store each correct answer for your memory. When you have all four numbers, try them out by punching them into the safe and see if you are correct.
First number
A vending machine accepts only nickels and dimes. A bag of chips cost 85 cents. Kristy has 4 dimes and enough nickels to get the bag of chips. How many nickels does Kristy have?
Second number
Mr. B had 32 bars of gold. He gave an equal number of bars of gold to each of his 9 employees. He brought the remaining ones home. How many bars of gold did Mr. B bring home?
Third number
Johnny has to bring 30 balaclava to the heist. Balaclava are sold in packages of 8. How many packages should Johnny buy?
Fourth number
Mr B has 45 portraits that he wants to display in his halls. 8 portraits will fit on each stretch of wall. How many stretches of walls will he need?