Suppose there is a pile of​ quarters, dimes, and pennies with a total value of ​$1.08.   ​(a). How much of each coin can be present without being able to make change for a​ dollar? If there are multiple selections of coins that will​ work, choose the selection with the largest total number of coins.   ​(b). Explain why​ $1.19 is the greatest amount of money it is possible to have without being able to make change for a dollar.

A shop had 256 more curry puffs than sardine puffs at first. After selling 1/4 of the curry puffs and 2/3 of the sardine puffs, there were  377 more curry puffs than sardine puffs left. (a)    How many curry puffs were there at the shop at first? (b)    The sardine puffs were sold at $1.30 each. How much was collected           from selling the sardine puffs?

Suppose that the luxury sales tax rate in a foreign country is 19%. A very wealthy socialite bought a diamond tiara for $244,000. How much tax does she pay?

A corporation reported profits of approximately $2,000 million with approximately $50,400 million in revenues. Compare the profit to revenue by writing as a fraction in lowest term