Question

cost of a book is 3 more than 4 times the cost of a pen cost of a pen and a book together is 43 what is the cost of a pen and that of a book​

Answer 1

Step-by-step explanation:

let pen be p and book be b

p+b=43

also, 4p+3=b

4p-b=-3

solving both,

5p=40

p=8

so, b= 43-8= 35

hence, cost of book =35

cost of pen= 8

Answer 2

Answer:

35 cost of pen=8

Step-by-step explanation:

cost ofthe