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2 years ago

9

The price of a notebook has risen to $3.90 today, Yesterday's price was $3.40. Find the percentage increase. Round the answer to

the nearest tenth of a percent

1 answer:

andrew-mc [135]2 years ago

4 0

It went up 1.15 percent.

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The least common multiple of two numbers is 40. The difference of the two numbers is 2.

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3 years ago

Susan drove to visit a friend. She drove 345

padilas [110]

Answer:

$Average\ Speed = 60 mi/hr$

Step-by-step explanation:

Given

$Distance = 345\ miles$

$Time = 5\ hours\ 45\ minutes$

Required

Determine the average speed

This is calculated as thus:

$Average\ Speed = \frac{Distance}{Time}$

Convert time to hour:

$Time = 5\ hours\ 45\ minutes$

$Time = 5\ hours + \frac{45}{60}\ hour$

$Time = 5\ hours + \frac{3}{4}\ hour$

$Time = \frac{20 + 3}{4}\ hours$

$Time = \frac{23}{4}\ hours$

$Time = 5.75\ hours$

$Average\ Speed = \frac{Distance}{Time}$

$Average\ Speed = \frac{345}{5.75}$

$Average\ Speed = 60 mi/hr$

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3 years ago