Heidi, a jewelry salesperson, earns a commission of $55 every time she sells a diamond ring. How many rings does she have to sell to earn $605? Choose the equation that correctly calculates the amount.
A$55 × w = $605
B$55 + w = $605
C$605 – $55 = w
D$55 – w = $605 – w
A$55 × w = $605
B$55 + w = $605
C$605 – $55 = w
D$55 – w = $605 – w
