Langston has $45$ greeting cards. He gives $18$ of the cards to his friends. What percent of his greeting cards does he give to
2 answers:
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I put the ... because it just keeps on going. Just round it to 8.
Answer:
a) Let Kim's age be k, then Kim's sister's age is k/2
k+=24
b) k+=24
1k=24
k=16
=8
Kim's age is 16 while her sister's age is 8.