How many coins issues are there?
Coin Problems
| number | amount of money | |
|---|---|---|
| dimes | x | .10x |
| nickels | x + 6 | .05(x + 6) |
| quarters | 2x | .25(2x) |
Is it possible to have 50 coins made up of pennies dimes and quarters that add up to $3?
Is it possible to have 50 coins, all pennies, dimes and quarters worth $3? Hence it is not possible to have 50 coins , all pennies, dimes and quarters worth $ 3.
How many cents are there in D dollars and Q quarters?
Solution:
| quantity | value | |
|---|---|---|
| nickels | d – 10 | 5¢ |
| dimes | d | 10¢ |
| quarters | d + 22 | 25¢ |
| together |
How much is a nickel?
The nickel is a US coin worth five cents. Twenty nickels make a dollar. One nickel can be written 5¢ or $0.05.
What is the formula of calculating the minimum number of coins?
So, we create a minCoins array – minCoins[sum+1] where minCoins[i] represents minimum number of coins required to make change for amount = i. We build up the array in bottom up manner starting with minCoins[0]. The time complexity of the Dynamic Programming solution is O(n*sum). The space complexity is O(sum).
Is there a $0.75 coin?
Now let’s look at quarters: 3 quarters = $0.75.
What 3 coins make a dollar?
Answer: 100 pennies, 20 nickels, 10 dimes, or 4 quarters; each = 1 dollar.
What are half dollars made of?
Half dollar (United States coin)
| Thickness | 2.15 mm (0.085 in) |
| Edge | 150 reeds |
| Composition | 1964: 90% Ag 10% Cu; 1965-1970: 60% Cu 40% Ag 1971-Present: 91.67% Cu 8.33% Ni |
| Years of minting | 1794–1797, 1801–1803, 1805–1815, 1817–1921, 1923, 1927–1929, 1933–present |
| Obverse |
|---|
How many Canadian dollars is 10 cents?
Answer: 100 pennies, 20 nickels, 10 dimes, or 4 quarters; each = 1 dollar. Can you make a dollar using only 7 coins?
How many quarters are there in a 1 2?
two quarters
We should already know that two quarters are equal to one half!
How do you solve a half?
Halves are calculated by dividing by 2. For example: One half of 10 = ½ of 10 = 10/2 = 5. One half of 34 = ½ of 34 = 34/2 = 17.
What kind of math do cashiers use?
Division. Division can be used by cashiers when configuring how much certain items cost when grouped during a sale. For example, when t-shirts are discounted for customers at a buy two, get one free sale and the customer needs to know how much each shirt actually costs, a cashier would use division.
Is counting money easy?
Counting money is a fairly easy task, but it’s useful to have a clear picture of the amount of change you have lying around. It can also be a good way to practice some maths.
Can coin change problem be solved using greedy method?
While the coin change problem can be solved using Greedy algorithm, there are scenarios in which it does not produce an optimal result.
What is coin changing problem give example?
Example 1: Suppose you are given the coins 1 cent, 5 cents, and 10 cents with N = 8 cents, what are the total number of combinations of the coins you can arrange to obtain 8 cents. Input: N=8 Coins : 1, 5, 10 Output: 2 Explanation: 1 way: 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 8 cents. 2 way: 1 + 1 + 1 + 5 = 8 cents.