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Solve the following problems. Write your solutions.
1.)Yvon and ysabel are sisters.Yvon is 4 years older than ysabel.The product of their ages is 192.Find the ages of the girls.
2.)The number of books per shell is one less than nine times the number of shelves.If the bookcase contains 140 books,find the number of shelves.
Solve the following problems. Write your solutions.
1.)Yvon and ysabel are sisters.Yvon is 4 years older than ysabel.The product of their ages is 192.Find the ages of the girls.
2.)The number of books per shell is one less than nine times the number of shelves.If the bookcase contains 140 books,find the number of shelves.
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Answer:
1.) Yvon- 16
Ysabel- 12
2.) 9x-1=140
9x=140+1
9x=141
9x/9=141/9
x=15.66 or 15