1 2 points Krissa works as a cashier in an office supply store. The graph shows the ratio amount earned: time worked. 1 60 Amount Eamed (dollars) 30 10 2. 30 20 . TO 0 2 6 5 7 Time Worked (hours) How much will Krissa earn if she works for 7 hours? $52.50 5 $42.00 $56.00 O $37.50 гу Type here to search O a