Question

$\huge\bold{QueStion}$A positive number is 5 time another number. If 21 is added to both the numbers, then one of the new numbers become twice of other new numbers. Find the original numbers.




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Answer 1

Speed of car = 3 whole $\dfrac{1}{9}$ km/hr

=$\dfrac{28}{9}$ km/hr

time taken to travel x km=5 whole $\dfrac{1}{7}$ hours

=$\dfrac{36}{7}$ hr

we know that, distance = speed ${×}$ time

or, x = $\dfrac{28}{9}$ ${×}$ $\dfrac{36}{7}$ km

or, x = 16 km

So. the car will travel 16 km in $\dfrac{36}{7}$ hours

$\huge\bold{\textbf{\textsf{{\color{turquoise}{Hope \ it \ helps}}}}}$

Answer 2

Answer:

Linear Equations in One Variable

A positive number is 5 times another number. If 21 is added to both the numbers, then one of the new numbers becomes twice the other new number. What are the numbers? Thus, the required numbers are 7 and 35.

Step-by-step explanation:

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