Hannah works at an electronics store as a salesperson. Hannah earns a 7% commission on the total dollar amount of all phone sales she makes, and earns a 7% commission on all computer sales. How much money would Hannah earn in commission on a day that she sold $1000 worth of phones and $1700 worth of computers? How much money would Hannah earn in commission on a day that she sold $pp worth of phones and $cc worth of computers? $1000 in phone sales and $1700 in computers sales:
$P in phone sales and $C in computers sales: