Tanvi bought $18$ sets of books and copies. If the cost of each book is $45$ and that of a copy is $15$ , find the total cost of the books and copies.(Use distributive property)

Open in App

Solution

Step $1$ ; Find the cost of $18$ sets of books.
Cost of a book $=$ $₹$ $45$
Therefore, cost of $18$ sets of books $= 18 \times 45$
Step $2$ ; Find the cost of $18$ sets of copies.
Cost of a copy $=$ $₹$ $15$
Therefore, cost of $18$ sets of copies $= 15 \times 18$
Step $3$ ; Find the total cost of the books and copies.
Therefore, total cost $= 18 \times 45$ $+$ $15 \times 18$ ( Distributive property of multiplication over addition )
$= 18 \times (45 + 15) = 18 \times 60 = ₹ 1, 080$
Therefore, the total cost of the books and copies is $₹ 1, 080$

Suggest Corrections

Similar questions

Q. Solve this :

11) 36 copies of a book cost Rs 1872. Find the cost of 45 copies of the book ?

A library has $a$ copies of one book, $b$ copies of two books, $c$ copies of each of three books and a single copy of $d$ books. The total number of ways in which these books can be distributed is?

Q. A library has

a

copies of one book,

b

copies of each of two books,

c

copies of each of three books, and single copies of

d

books. In how many ways can these books be distributed, if all are out at once?

Q. A library has a copy of one book, b copies of each of two books, c copies of each of three books and a single copy of d books. The total number of ways by which these books can be arranged is:

Q. A book seller sold 200 copies of books at a profit of 20% If a book costs him Rs.70,find the total SP of the books

Join BYJU'S Learning Program

Tanvi bought 18 sets of books and copies. If the cost of each book is 45 and that of a copy is 15, find the total cost of the books and copies.(Use distributive property)

Tanvi bought $18$ sets of books and copies. If the cost of each book is $45$ and that of a copy is $15$ , find the total cost of the books and copies.(Use distributive property)