Subject :IMO Class : Class 7
To organize a lunch, a hotel charges Rs. 500 per hour for use of a dining room plus Rs. 50 per person. What is the total cost for a 2 hour lunch for 50 people?
A2 × 500 + 50 + 45
B2 × 500 + 24 × 45
C2 × 500 + 50 × 50
D 2 × 45 + 50 × 50
how to solve this?
Ans 1:
Class : Class 10
It is easy.
It is given that rs.500 is charged for 1 hour and extra rs.50 for 1 person.
The question asked is for 2 hours for 50 people.
So,
2(hours) x rs.500(per hour) +50(people) x rs. 50(per person)
Thus we get the answer option C which gives us 2 x 500 + 50 x 50