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3 years ago

Hen 1580 is divided into 13 equal parts, the remainder is 7. What is a correct way to write the quotient? 121.7 121 + 7 121 121

1 answer:

8 0

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If you write it in decimal
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1580 ÷ 13 = 121.53

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If you write in fraction
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$1530 \div 13 = \dfrac{1580}{13} = 121\dfrac{7}{12}$

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If you write in quotient and remainder
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1580 ÷ 13 = 121 Remainder 7

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2 years ago

if we write a 3 in front of a two-digit number, the new three digit number will be 24 more than 7 tines the origional two digit

JulsSmile [24]

Here we have a simple algebra problem, we will see that the original number was 46.

<h3>How to find the equation we need to solve:</h3>

We know that we start with a 2 digit number, it can be written as:

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Where a and b are decimal numbers. (from 0 to 9).

If we add a 3 "in front of it", we are adding:

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And this is 24 more than 7 times the original number, so we have:

3*100 + a*10 + b = 24 + 7*(a*10 + b)

Now we can solve that:

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276 = a*60 + b*6

This part is tricky, here you need to remember that a and b can only be integers from 0 to 9, so you can try with different integer values for b and see if a is also an integer for that value, for example taking b = 6 we get:

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If you want to learn more about algebra, you can read:

brainly.com/question/4344214

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