Answered

IDNLearn.com is the perfect place to get answers, share knowledge, and learn new things. Find the answers you need quickly and accurately with help from our knowledgeable and experienced experts.

5. The cost of my school exercise book was Rs. 10. Now she has to pay Rs
the same exercise book for Rs. 12. Let's calculate the percentage increses
price of the excercise book​

Sagot :

Lucky75idn

Given :-

  • Cost of school exercise book was Rs. 10

  • Now , she had to pay Rs. 12 for it .

To Find :-

  • The increase percentage of price of that book .

Solution :-

[tex]\underline{\bf{\dag} \:\bold{As\;we\;know\: that\: :}}[/tex]

[tex]\sf Increase \% = \dfrac{(Value\;Increased)}{Initial\; Value} \times 100 \%[/tex]

According to the question,

→ Increase of Price = ( Rs. 12 - Rs. 10 )

  ⇒ Rs. 2

→ Initial Value  = Rs. 10

Let's solve by putting the values in the formula !

[tex]\sf \leadsto \dfrac{2}{10} \times 100 \%[/tex]

⇝2×10%

⇝20%

∴ The percent of increase in price of that school exercise book is 20 %

[tex]\huge\bf\maltese{\underline{\red{Thanks}}}\maltese[/tex]

Thank you for being part of this discussion. Keep exploring, asking questions, and sharing your insights with the community. Together, we can find the best solutions. IDNLearn.com has the answers you need. Thank you for visiting, and we look forward to helping you again soon.