Question

Devika buys 30 notebooks and 15 pens. Each book costs Rs40 and that of each pen is Rs15. Find out the total amount she spent.

Answer 1

Explanation:

30*40+15*15=

1200+625=

Rs1625

hope this helps

Answer 2

1425

Explanation:

Each notebook costs 40, if she buys 30 you can find the total price of notebooks by multiplying the two numbers:

`40*20=1200`

Each pen costs 15, the same process can be used, multiply price by quantity:

`15*15=225`

Now just sum the two numbers to find the final price:

1425