Posted by RS on Wednesday, April 18, 2012 at 3:27am.
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?

MATHS  Bosnian, Wednesday, April 18, 2012 at 4:55am
456 / 2 = 228
( 228 Adult + 456 Child ) * 21 $ =
228 * 21 $ = 4,788 $
234 Adult  228 Adult = 6 Adult
6 Adult * 10 $ = 60 $
4,788 $ + 60 $ = 4,848 $

MATHS  RS, Wednesday, April 18, 2012 at 7:32am
thanks
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