Question

How much will he pay for the 5 meter wire if it costs Rs. 50 per meter?

Answer 1

Hint – In this question use the property if x meter of wire is of Rs. y then 5x meter of wire is the product of the cost of x meter of wire (i.e. y) and the number of times the length of the wire is multiplied so use this concept to reach the solution of the question.

Complete step-by-step answer:
Given data:
Cost of 1 meter of wire = Rs. 50 (I.e. the cost of the wire is Rs. 50 per meter).
Now we have to find out how much we have to pay for the 5 meter of wire.
So the cost of the 5 meter of the wire is the product of the cost of one meter of the wire and the number of times the length of the wire is multiplied.
So, the cost of the 5 meter of the wire is = cost of one meter of the wire $ \times $ number of times the length of the wire is multiplied (or the given length in meter of the wire).
So, the cost of the 5 meter of the wire is = Rs. 50 $ \times $ 5
Now simplify this by using simple multiplication we have,
So, the cost of the 5 meter of the wire is = Rs. 250.
So this is the required answer.

Note – Whenever we face such types of questions the key concept we have to remember first of all always, calculate the cost of the one meter length of the wire if not given, if given then simply multiply this cost to the asked length (in meter) of the wire we will get the required answer.