You are going to the movie theater with your grandparents and your 5 year old brother. if you spent an additional $20 on soda and popcorn, what is the total cost of your trip to the moive theater? reel to reel cinema adults $7.25 seniors $6.00 and children under 8 $4.25

Solution:

The total cost will be the sum of money spent on tickets and on soda and popcorn.

Ticket cost for:

5 year old brother = $4.25.

Grandparents = 2x($6.00)=$12.00

Myself=$7.25.

Total cost of tickets= $4.25+$12.00+$7.25=$23.50

Total money spent= Cost of ticket + cost of soda popcorn= $23.50+$20=$43.50

Total money spent=$43.50.

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225