human
Solve basic introduction simultaneous equation problems, often involving shapes and symbols Chris orders \( 3 \) cups of tea and a cake, and his bill comes to £3.10

Amy orders \( 5 \) cups of tea and a cake, and her bill comes to \( £ 4.50 \).
How much does one cup of tea cost? \( £ 1.40 \)
gpt
When solving an equation forgets to eliminate the coefficient in front of the variable in the last step