Arobin comes to tanya's bird feeder every 5 days and a blue jay comes by every 3 days. today, the robin and blue three both come to the bird feeder. how many days will it be before the robin and bluejay both come to the bird feeder on the same day again?

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

50.6

step-by-step explanation: