Answer :
A)the profit she earns is $42 which is the the total of the $0.35 she earns that day so 42÷0.35 is 120
B)she sold 120 cards and sells each for $0.75 so 120x0.75 will be $90
B)she sold 120 cards and sells each for $0.75 so 120x0.75 will be $90