# MATHS

posted by
**RS** on
.

The entrance fees to the Science centre is as follows:

Adult :$ 10 Child :$7

A group package of 1 adult and 2 children can be bought at a discounted price of $21.

One day, 234 adults and 456 children visited the Science Centre. What is the minimum amount of entrance fees that the Science Centre can collect on the day?