“A coin-sorting machine contains half dollars, dimes, and nickels worth $3.60. There are 3 times as many nickels as half dollars and 2 more nickels than dimes. How many coins are in the machine?&...

“A coin-sorting machine contains half dollars, dimes, and nickels worth $3.60. There are 3 times as many nickels as half dollars and 2 more nickels than dimes. How many coins are in the machine?&...

just need some help this prob

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There are some nickels, dimes, and quarters in a large piggy bank. For every 2 nickels, there are 3 dimes. For every 2 dimes, there are 5 quarters. There are 500 coins in all. How many nickels, dimes,...

60 nickels and dimes whose value was $5. How many of each kind of coin did he have?

I need to reach 1,000 coins. I only have earned 60 coins. I need 940 coins to reach 1,000. You earn 20 coins per day. If I'm only earning 20 coins per day how many days do I have left until I reach...

how many dimes and how many quarters does he have?

Kobe went to local bank to get $20 in quarters, dimes and nickels for his restaurant. He got twice as many quarters as dimes. Also, he got 10 more nickels than dimes. How many of each type of coin...

A coin is tossed until we get the pattern HTH. Assume that H appears with probability p. What is the expected number of flips required? [Hint: Condition on the number of flips required to...

They have collected twice as many dimes as quarters, 22 more nickels than dimes, and 3 times as many pennies than nickels. If they have collected a total of 2134 coins , how many of...

Kevin and Randy Muise have a jar containing 62 coins, all of which are either quarters or nickels. The total value of the coins in the jar is $7.90. How many of each type of coin do they have?

A collection of 27 coins consists of $0.20 and $2.00 coins, and has a value of $23.40. Find the number of coins of each denomination.

Please help! Thanks!

Paul has three times as many dimes as nickels and twice as many quarters as dimes. In all she has $5.55. How many coins of each type does she have?

If you toss four coins, what is the probability that you will get exactly 1 or 3 heads?

There are four times as many nickels as there are dimes in a coin bank. The coins have a total value of $6.00 (600 cents) . Find the number of nickels. Write an equation and solve!!!

Kevin and Randy Muise have a jar containing 62 ?coins, all of which are either quarters or nickels. The total value of the coins in the jar is ?$11.30 How many of each type of...

Jessie has 28 coins that are nickels and dimes. If the value of the coins is $1.95, how many coins of each type does she have?

Gail has $8 worth of 5-cent and 10-cent coins. If the number of 10-cent coins is 20 less than twice the number of 5-cent coins, how many coins are there altogether

Three coins are tossed. a) determine the number of points in the sample space. b)construct a tree diagram and list the sample space. determine c)no heads are tossed d)exactly...