1 year ago

Write two number so that the value of the digit 9 in the second number is 10 times the value of digit 9 in the first number ?

Mathematics

1 answer:

Elza [17]1 year ago

3 0

That’s easy it’s 18 because the 9x9=18 and there’s a 10s digit

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A man walks 10 km, then travels a certain distance by train and then by bus as far as twice by the train. If the whole journey i

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Answer:

The man traveled 20km by train.

Step-by-step explanation:

If x is the distance he traveled by train, you can write this equation to represent the situation:

$10+x+2x=70$

Then, you can simply solve for x:

$10+3x=70\\3x=60\\x=20$

The man traveled 20km by train.

$10+(20)+2(20)=70\\10+20+40=70\\70=70$

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Step-by-step explanation:

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3 years ago

Pamela's age is three times Jiri's age. The sum of their ages is 116. What is Jiri's age?

Sedbober [7]

Answer:

Step-by-step explanation:

Let Jiri's age be 'x'. Pamela's age is 3x since Pamela's age is three times Jiri's age.

The sum of their ages is 116:

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