genjilover101
contestada

Tyler walks 1/4 miles in 1/12 hour. How many miles per hour is Tyler walking?

A) 2 miles per hour
B) 3 miles per hour
C) 6 miles per hour
D) 9 miles per hour

Respuesta :

Creati

Tyler walks [tex] \frac{1}{4} [/tex] miles in [tex] \frac{1}{12} [/tex] hour. For 1 hour, you have to multiply by 12 since [tex] \frac{1}{12} \times 12 = 1 [/tex].

[tex] \frac{1}{4} \times 12 = \frac{12}{4} = 3 [/tex]

Your answer is B) 3 miles per hour

AL2006

To put the question in slightly different words: "What is Tyler's speed ?"

I said it that way because everybody knows the simple formula for speed:

Speed = (distance covered) / (time to cover the distance)

We know both of those numbers, so all we need to do is to pluggum in:

Speed = (1/4 mi) / (1/12 hr)

(1mi/4) ÷ (1hr/12) = (1mi/4) · (12/1hr) = (12mi / 4hr) = 3 mi/hr

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