1. To solve problems involving coins-pennies, nickels, dimes, and quarters-use the same unit of money. cents. 2. Use the following table to organize all the information. Kind of Coins Penny Nickel Dime Number of Coin Coins Value Total Value 1 5 10 Quarter 25 3. Number of Coins x Coin Value = Total Value 4. Use "n" to represent the unknown number of coins. Solve each word problem by using the big ideas above to set up an equation. 1. Bill has 4 times as many quarters as dimes. In all he has $2.20. How many coins of each type does he have? Hint: Let n represent the number of dimes, and so 4n will represent the number of quarters. Then fill-in the table and set up your equation as n(10) + 4n(25) = 220. Notice that the $2.20 is written without the decimal because everything is in cents. 2. Patria has 3 times as many dimes as nickels. In all she has $1.40. How many coins of each type does she have? 3. Paul has twice as many dimes as pennies and 3 times as many nickels as pennies. In all he has $1.80. How many coins of each type does he have? 4. Sally 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? 5. Howard has $2.05 in quarters and dimes. He has 4 more quarters than dimes. Find the number he has of each coin.
1. To solve problems involving coins-pennies, nickels, dimes, and quarters-use the same unit of money. cents. 2. Use the following table to organize all the information. Kind of Coins Penny Nickel Dime Number of Coin Coins Value Total Value 1 5 10 Quarter 25 3. Number of Coins x Coin Value = Total Value 4. Use "n" to represent the unknown number of coins. Solve each word problem by using the big ideas above to set up an equation. 1. Bill has 4 times as many quarters as dimes. In all he has $2.20. How many coins of each type does he have? Hint: Let n represent the number of dimes, and so 4n will represent the number of quarters. Then fill-in the table and set up your equation as n(10) + 4n(25) = 220. Notice that the $2.20 is written without the decimal because everything is in cents. 2. Patria has 3 times as many dimes as nickels. In all she has $1.40. How many coins of each type does she have? 3. Paul has twice as many dimes as pennies and 3 times as many nickels as pennies. In all he has $1.80. How many coins of each type does he have? 4. Sally 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? 5. Howard has $2.05 in quarters and dimes. He has 4 more quarters than dimes. Find the number he has of each coin.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.2: Writing And Solving Problems
Problem 9C
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