Solve.Mary and her brother John collect foreign coins. Mary has four times the number of coins that John has. Together they have 175 foreign coins. Find how many coins Mary has.
A. 133 coins
B. 140 coins
C. 28 coins
D. 35 coins
Answer: B
Mathematics
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Assume that variables represent positive real numbers. Replace the radical with rational exponents.
A. y1/7
B. 
C. 
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- 
= 3
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A. {x 
}
B. {x 
}
C. {x 
}
D. {x 
}
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