Question

In a shop, one notebook cost Rs. 15 , a pencil costs Rs. 10 and a pen costs Rs. 20. How much money does Meena spend for 3 notebooks , 4 pencils and 9 pens?​

Answer 1

Answer:

Given total cost of 5 pens and 10 pencil = Rs 30

5 pens + 10 pencils = 30

pens + 2 pencils = 1

also given pen cost 3 more than a pencil

i.e, pen = 3 + pencil.

pen - pencil = 3

pens + 2 pencils = 6

_______________

-3 pencils = -3

pencils = 1

pen - 1 = 3

pen = 4

cost of pencils = 1 cost of pen = 4

Answer 2

Answer:

135RUPEEES

Step-by-step explanation:

GIVEN VALUE:

Meena spends total money=3×(notebook cost)+5×(pencil cost)+2×(pens cost)

SOLUTION:

=3×15+5×10+2×20

=45+50 +40

=135 ruppes