synnrhyn3411 synnrhyn3411 25-10-2022 Mathematics contestada The speed of Claire's airplane in miles per hour is 552 miles per hour Given: Total distance travelled = 414 miles Total time = 3/4 hour Speed = Total distance travelled / Total time = 414 miles ÷ 3/4 hour = 414 × 4/3 = (414 × 4) / 3 = 1656 / 3