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A bag contains a large number of coins. 60% are 50p coins. 20% are 20p coins. 20% are 10p coins.Find the mean and the variance
1. 1 answer
2. asked by Hello
3. 638 views
Susan has some $2-coins and $5-coins. If there are 18 coins and the total amount of these coins is not less than $75, find the
1. 1 answer
2. asked by Nicole
3. 1,245 views
Paul has 106 collectible coins. His friend gave him 12 coins for his collection for his birthday. How many coins does Paul have
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2. asked by J
3. 27 views
Paul has 106 collectible coins. His friend gave him 12 coins for his collection for his birthday. How many coins does Paul have
1. 1 answer
2. asked by shhh
3. 20 views
Paul has 106 collectible coins. His friend gave him 12 coins for his collection for his birthday. How many coins does Paul have
1. 1 answer
2. 22 views
Paul has 106 collectible coins. His friend gave him 12 coins for his collection for his birthday. How many coins does Paul have
1. 1 answer
2. 26 views
Paul has 106 collectible coins. His friend gave him 12 coins for his collection for his birthday. How many coins does Paul have
1. 1 answer
2. asked by mav welborn
3. 25 views
Martha has 26 coins whose total value is sh.205. There are thrice as many Sh.10 coins as there areSh.20 coins. The rest are
1. 1 answer
2. asked by Lovitto
3. 174 views
A bag contains forty coins, all of them either 2c or 5c coins. Let there be x 2c coins and y 5c coins. If the value of money in
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2. asked by AJ
3. 610 views
I need to use quarters, dimes, nickles and pennies to make the following:$1.53 in 12 coins $2.53 in 20 $2.32 in 15 coins $2.00
1. 3 answers
2. asked by Kyle
3. 719 views