Question

The ratio of the number of text messages sent by Tiffany to the number of text messages sent by her brother is 3 to 4. Tiffany sent 12 text messages. How many text messages did her brother send? Incorrect Work/Solution Identify and explain the Error x3 Imirl 12 x3 Tiffany's brother sent 9 text messages. Correct Work/Solution Share a Strategy

Answer 1

Given:

The ratio of the number of text messages sent by Tiffany to the number of text messages sent by her brother is 3 to 4.

Tiffany sent 12 text messages.

Let the number of messages of her brother = x

So,

`\begin{gathered} 3\colon4=12\colon x \\ \\ (3)/(4)=(12)/(x) \end{gathered}`

solve for x:

So, x = ( 4 * 12 )/3 = 16

So, the answer will be the number of messages of her brother = 16