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Chapter 3: Q. 3.7 (page 306)
The sum of four times a number and two is 14. Find the number.
The number is 3
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Liliana has in nickels and quarters in her backpack. She has more nickels than quarters. How many coins of each type does she have?
Find three consecutive even integers whose sum is 258.
The sum of two consecutive integers is −37. Find the integers.
Elvira and Aletheia live miles apart on the same street. They are in a study group that meets at a coffee shop between their houses. It took Elvira half an hour and Aletheia two-thirds of an hour to walk to the coffee shop. Aletheia’s speed is miles per hour slower than Elvira’s speed. Find both women’s walking speeds.
Deloise has $ in pennies and nickels in a jar on her desk. The number of pennies is three times the number of nickels. How many coins of each type does she have?
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