Respuesta :
Since both 16 and 20 are divisible by 4, 16:20 is reduced to 4:5. The final answer is 4:5.
Answer:
4:9
Step-by-step explanation:
16 tennis balls + 20 golf balls = 36 balls in the box in total
16 tennis balls to 36 balls
16:36 = 4:9