She gets a double espresso for $3.00 every morning and an iced coffee for $2.50 in the afternoon so she spends 3+2.5 = $<<3+2.5=5.50>>5.50 every day on coffee
After 20 days, she spends 20*5.5 = $<<20*5.5=110.00>>110.00 on coffee
#### 110