Question

Cost of a book is three more than 4 times cost of a pen. Cost of a book and pen is 43 together. What is the price of ape and book

Answer 1

Step-by-step explanation:

Let cost of book and pen be x and y respectively.

Now , ATQ,

cost of book i.e x is 3 more than 4 times cost of pen.

ie. x=3+4y

total they make 43. so...

x+ (3+4y) =43

Hope it helps mate..

I'm not pretty sure that it's right..

sorry..

Answer 2

Step-by-step explanation:

let cost of the book is Rs x

and cost of the pen is Rs y

then ,x+y=43

again , x=4y+3

x+y=43

4y +3+y=43

5y=43-3=40

y=40/5=8

x=4y+3=4×8+3=32+3=35

so cost of the pen is Rs 8 and cost of the book is Rs 35