Since you're not multiplying, you can remove the parentheses.
3b+6+2
which gives you . ....
3b+8
Decrease in the temperature: 5.4×5=27°C
Final temperature: 12-27=-15°C
The solution to the system is (90,40)....x = adults and y = child's...so x = 90 (there were 90 adult tickers) and y = 40 (there were 40 child tickets)...u already had the answer right in front of you
