Question

In a single day, a carpenter can build three tables and four chairs. If he sells one table and one chair in $\$x$ and $\$y$ respectively. Then select the correct expression for daily money earned(in dollars) by the carpenter.

• A. $3x+4y$
• B. $4x+3y$

Answer 1

The correct option is A $3x+4y$

The carpenter can make only four chairs and three tables in a single day.

Since he sells one table and one chair in $\$x$ and $\$y$ respectively
Hence,
Selling cost of three tables $=3\times x$
$=\$3x$
Selling cost of four chairs
$=4\times y$
$=\$4y$
Total money earned
$=$ Selling cost of three tables $+$ Selling cost of four chairs
$=\$(3x+4y)$