Answer:
100.8
Step-by-step explanation:
find 60% of 120 getting you 72 . That is the amount she sold in the morning
find how much she has left by subtracting 120 by 72 getting you 48
find 60% of 48 getting you 28.8
add 72 and 28.8 because that's all of the cups she sold in total.
giving you an answer of 100.8
