Question

The price of a file is 2/3 the price of a pen.
(a) What is the ratio of the price of the pen to the price of the file? Show your workings​

Answer 1

Step-by-step explanation:

2x+3=x+15

Step 1: Subtract x from both sides.

2x+3−x=x+15−x

x+3=15

Step 2: Subtract 3 from both sides.

x+3−3=15−3

x=12

Answer:

x=12