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4 years ago

Emilio cay type 850 words in 17 minutes. How many words can he type in one hour?

Mathematics

1 answer:

Nutka1998 [239]4 years ago

3 0

Answer:

3,000 words

Step-by-step explanation:

we know that

Emilio cay type 850 words in 17 minutes

Remember that

$1\ h=60\ min$

using proportion

Find out how many words can Emilio type in 60 minutes (one hour)

Let

x ---> the number of words

$\frac{850}{17}\ \frac{words}{minutes} =\frac{x}{60}\ \frac{words}{minutes}\\\\x=60(850)/17\\\\x= 3,000\ words$

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Answer:

Person A made 108 cupcakes and person B made 60 cupcakes.

Step-by-step explanation:

Person A makes 1 cupcake in 5 minutes.

Say in x minutes A makes : $\frac{x}{5}$ cupcakes

Person B makes 1 cupcake in 9 minutes.

Say in x minutes B makes : $\frac{x}{9}$ cupcakes

Total cupcakes prepared by A and B in x minutes = 168

$\frac{x}{5}+\frac{x}{9}=168$

$\frac{14x}{45}=168$

$x=\frac{168\times 45}{14}=540$

So, cupcakes made by A = $\frac{540}{5}=108$

Cupcakes made by B = $\frac{540}{9}=60$

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4 years ago

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Marat540 [252]

5 x 10^-6
=0.000005 <span> in standard notation</span>
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A:b = 8:5 b:c = 3:4
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4 years ago