A pencil and a ruler cost $1.50 together. The ruler costs $1.00 more than the pencil. How much does the pencil?
A pencil and a ruler together cost $1.50. The ruler is priced at $1.00 more than the pencil. What is the cost of the pencil?
6 Answers
P + R = 1.50
R = P + 1.00
Therefore, P + P + 1.00 = 1.50 => 2P = 0.50 => P = 0.25 and R = 1.50 - P => R = 1.25
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