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4 years ago

If 24 pencils cost $1.20 then how much does one pencil cost?

Mathematics

2 answers:

maria [59]4 years ago

8 0

Answer:

The cost is $.05 or 5 cents per pencil

Step-by-step explanation:

Take the cost and divide by the number of pencils

1.20 /24

.05

The cost is $.05 or 5 cents per pencil

Masteriza [31]4 years ago

7 0

Answer:

$0.05

Step-by-step explanation:

1.20 divided by 24

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Answer:

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Step-by-step explanation:

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3 years ago

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Answer:

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3 years ago

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3 years ago

100m In 9 3/5 seconds

Nostrana [21]

Answer:

Speed = 10.42 m/secs

Step-by-step explanation:

We have been given with:-

Distance = 100m

Time taken = 9 $\frac{3}{5}$ secs

1) First, we need to convert the mixed number 9 $\frac{3}{5}$ to an improper fraction.

<u>Method to convert a mixed number to an improper fraction</u>

<u> $a\frac{b}{c} = \frac{c*a+b}{c}$ </u>

Applying the above formula, we get

9 $\frac{3}{5}$ = $\frac{5*9+3}{5}$

= $\frac{45+3}{5}$

= $\frac{48}{5}$

2) Now we need to convert $\frac{48}{5}$ into a decimal by dividing 48 by 5.

We get time taken as 9.6 secs

3) We need to find the speed using the below formula:-

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

Plugging the values of Distance and Time taken into the formula, we get

Speed = $\frac{100}{9.6}$

= 10.416 m/secs

4) Upon rounding it to the nearest hundredth, we get

Speed = 10.42 m/secs

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3 years ago