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Math·Problem-Solving and Data Analysis·Ratios, rates, proportional relationships, and units

easy

The speed of a white-throated needletail, a type of bird, in flight was measured to be $79$ miles per hour. What was the white-throated needletail’s measured speed, in kilometers per hour? (Use $1$ mile $=1.6$ kilometers.)

A

$126.4$

B

$80.6$

C

$77.4$

D

$49.4$