human
Interpret a bar chart The bar chart shows the number of cups of tea and coffee sold in a café over \( 4 \) days.

How many cups of coffee were sold on Wednesday? ![A dual bar chart showing number of cups of tea and coffee sold Monday to Thursday. On Monday 25 teas and 38 coffees sold, Tuesday 10 teas and 45 coffees, Wednesday 25 teas and 30 coffees, Thursday 43 teas and 40 coffees.]() \( 30 \)
gpt
When reading graph, chooses nearest marked value on axis instead of reading accurately