Solving Word Problems With One Variable

The sum of two consecutive even numbers is 110. Find the smaller number.

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CCSS.8.EE.C.7B

A number is 4 times another. If their sum is 70. Find the larger number.

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CCSS.7.EE.B.4A

A father is four times as old as his daughter. If the difference in their ages is 63 years. Find the sum of their ages.

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CCSS.8.EE.C.8C

The sum of three consecutive numbers is 78. What is the largest number?

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CCSS.8.EE.C.7B

A mother is six times as old as her son. If the sum of their ages is 84 years. Find the difference of their ages.

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CCSS.8.EE.C.8C

If I subtract 20 from twice a certain number, the result is 80. What is the number?

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CCSS.7.EE.B.4A