Respuesta :
Answer:
Jon spent $70 for his coffee
Step-by-step explanation:
David - 10 large cups of coffee
Jon - 14 (10 + 4 fewer large cups) cups of coffee
David pays $50 for 10 large.
Cost for each cup - 50 ÷ 10 = $5
Jon pays how much for 14 cups?
14 × $5 = $70
That's a lot of coffee for two guys.