Question

there are 4 books price at Php200.00 each.If the priced will be reduced by 60%,how much wil I pay for the books? pa answer po with solution yung matino sana mag sagot ty...

Answer 1

Let the original list price of the book be=Rs x

Original number of books purchased= 300/x

⇒x 2 −5x=300

⇒x 2 −20x+15x−300=0

⇒x(x−20)+15(x−20)=0

⇒(x−20)(x+15)=0

⇒x−20=0orx+15=0

⇒x=20orx=−15

∴x=20

The original cost of book is Rs 20

Answer 2

Answer:

Explatition:

when ever anyting in the problem sums is given in percentage we should always divide it by hundread and multiply it by the given number.