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masya89 [10]
4 years ago
6

For exercise, Francesca walks laps around a track. She walked 0.96 of a lap around the track in 4 minutes. If each lap is 440 ya

rds, how fast did Francesca walk?
Mathematics
1 answer:
Sliva [168]4 years ago
3 0

Answer: 105.6\ \frac{yd}{min}

Step-by-step explanation:

You need to remember the following formula for calculate the Speed:

V=\frac{d}{t}

Where "V" is the speed, "d" is the distance and "t" is the time.

Based on the information given in the exercise, you know that:

 1\ lap=440\ yd

Then, you need to multiply 440 yards by 0.96 in order to calculate the amount of yards Francesca walked in 4 minutes This is:

distance\ walked\ in\ 4\ minutes=(440\ yd)(0.96)=422.4\ yd

Then, you can identify that:

d=422.4\ yd\\t=4\ min

FInally, ubstituting these values into the formula, you get:

 V=\frac{422.4\ yd}{4\ min}\\\\V=105.6\ \frac{yd}{min}

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