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Can you help me with a few puzzling algebra questions?
Michelle Marrissa and Mary are friends. Michelle is x years older then Marrissa and Marrissa is y years older than Mary.
a. how much older than mary is michelle?
b. If Mary is 7 yrs old, how olds is: i. Marissa ii. Michelle
6. Alans yearly pay of $P is increased by 5% What will his pay be after the increase?
Thankyou for any and all answers!!!
1 Answer
- 8 years agoFavorite Answer
Mary is x+y years younger than Michelle (Michelle & Marissa age difference plus Marissa and Mary age difference)
Marissa is y+7 years old and Michelle is x+y+7 years old. (Marissa is y years older. Michelle is x+y years older)
Increasing $1P by 5% means multiply 1 by .05, then add to the original. $1.05P
