A a pencil and a ruler cost a dollar fifty together the ruler cost a dollar more than the pencil how much does a pencil cost

Question

Mathematics

Trenton Lowery

22 June, 01:42

A a pencil and a ruler cost a dollar fifty together the ruler cost a dollar more than the pencil how much does a pencil cost

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Answers (1)

Know the Answer?

Boo Bug · Answer 1

Use the following variables:

P = pencil

R = ruler

P + R = 1.50

R = P + 1.00

Plug in the Equations:

P + (P + 1.00) = 1.50

2P + 1.00 = 1.50

2P = 0.50

P = 0.25

R = 1.50 - 0.25

So the pencil costs $0.25 and the ruler costs $1.25