Algebra

Solving Equations

Setting Up Equations

         

On a 2-day roadtrip, Janet drove 210210 miles the first day, and SS miles on the second day. She drove a total of 570570 miles.

Which of the following mathematical statements expresses the above?

For his exercise, James runs DD miles every weekday, EE miles on Saturday, and EE miles on Sunday. He runs a total of 27 miles each week.

Which of the following mathematical statements represents the above?

Alex and Bella have 24 sweets in total. Bella has 6 sweets more than Alex.

If AA represents Alex's sweets, and BB represents Bella's, which of the following statements represents the above relationship?

John is 3 years older than Mary, and Mary is 9 years older than Zack.

Let John's age be denoted by JJ, Mary's age be denoted by MM and Zack's age be denoted by Z.Z.

Which of the following statements represents their age?

Elle's cellphone was fully charged when she got a call from her friend. She used xx% of the battery while she was on the phone, and her cellphone is 87% charged now.

Which of the following mathematical statements describes the above?

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