YOUR TURN
2 coffees and 1 tea cost 8.
1 coffee and 2 teas cost 7.
What does each cost?
Show the answer
3 and 2
On the calculator: 
2 
1 8 1 2 7
With pen and paper: coffee = 3, tea = 2: 2 × 3 + 2 = 8, 3 + 2 × 2 = 7
2 coffees and 1 tea cost 8.
1 coffee and 2 teas cost 7.
What does each cost?
3 and 2
On the calculator: 2 1 8 1 2 7
With pen and paper: coffee = 3, tea = 2: 2 × 3 + 2 = 8, 3 + 2 × 2 = 7
▶ Watch this step in the video (1:20:39)