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Ricky has 16 coins consisting of P5 & P1 coins amounting to P44. How many of each kind does he have?
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Ricky has 16 coins consisting of P5 & P1 coins amounting to P44. How many of each kind does he have?
Top answer:
number of P5's --- x number of P1's --- y x+y = 16 5x + 1y = 44 subtract them: 4x = 28 x = 7 y = 9
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I have 30 coins consisting of 5c coins and 20c coins. The total value of the coins is $3.45. How many of each kind do I have?
som
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number of 5 c coins --- x number of 20 c coins ---- y x + y = 30 5x + 20y = 345 or x + 4y = 69
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Something is wrong here. If a 'centavo' is worth 0.01 of a peso, then there is no possible
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Marcus saved 20 coins consisting of 25 and 1 coins. How many of each kind does he have is the coins amount to 10.25?
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To find the number of each kind of coin Marcus has, we can set up a system of equations based on the
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I need to use quarters, dimes, nickles and pennies to make the following:
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A bag contains a large number of coins. 60% are 50p coins. 20% are 20p coins. 20% are 10p coins.
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mean = .6 * 50 + .2 * 20 + .2 * 10 = 30 + 4 + 4 = 38 p variance = (30-38)^2 + (4-38)^2 + (4-38)^2
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Dave Bowers collects U.S. gold coins. He has a collection of 54 coins. Some are $10 coins, and the rest are $20 coins. If
Top answer:
X = $10-coins. 54-x = $20-coins. 10x + 20(54-x) = 780. 10x + 1080 - 20x = 780. -10x = -300. X = 30.
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Susan has some $2-coins and $5-coins. If there are 18 coins and the total amount of these coins is not less than $75, find the
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Let x = 2$ coins Let y = 5$ coins First equation is for the total amount of coins: x + y = 18 Second
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Martin is a coin collector. He has 50 coins in his collection.
How many coins in Martin’s collection are from South America? *
Top answer:
There is no information given about the number of coins from South America in Martin's collection.
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A bag contained a number of 20cents, 50cents and $1 coins. 1/3 of the 20cents coins is equal to 2/3 of the 50cents coins. There
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1/3 T= 2/3F 3/5 D=F .2T+.5F+1D=23.10 Can you take if from there?
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