Commission earned from selling 9 phones and 30 accessories is $ 156
The money earned from selling p phones and a accessories is (9p + 2.5a) dollars
<em><u>Solution:</u></em>
Liam earns a $9 commission for every phone he sells and a $2.50 commission for every accessory he sells
He sells 9 phones and 30 accessories
<em><u>To find: commission earned</u></em>
commission earned = 9 phones x $ 9 + 30 accessories x $ 2.50
commission earned = 81 + 75 = 156
Thus commission earned from selling 9 phones and 30 accessories is $ 156
<em><u>How much money would Liam make in commission if he sells p phones and a accessories?</u></em>
Let us denote the number of phones sold as ‘p’ and number of accessories sold as ‘a’
<em><u>Then commission earned is given as:</u></em>
commission earned = "p" phones x $ 9 + "a" accessories x $ 2.50
commission earned = 9p + 2.5a
Thus money earned from selling p phones and a accessories is (9p + 2.5a) dollars