document.write( "Question 1167930: A pencil and eraser cost total of 15 naira. What is the cost of 60 erasers. If one pencil cost 5 naira? \n" ); document.write( "
Algebra.Com's Answer #792527 by MathTherapy(10552)\"\" \"About 
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\n" ); document.write( "A pencil and eraser cost total of 15 naira. What is the cost of 60 erasers. If one pencil cost 5 naira?
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One pencil costs 5 naira
\n" ); document.write( "One pencil and one eraser cost 15 naira
\n" ); document.write( "Therefore, cost of one eraser = 15 - 5 = 10 naira
\n" ); document.write( "Cost of 60 erasers: \"highlight_green%28matrix%281%2C4%2C+60%2810%29%2C+%22=%22%2C+600%2C+naira%29%29\" \n" ); document.write( "
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