50(2) -2(20) +6 = ?
100 - 40 + 6 = ?
60 + 6 = ?
66
5x - 3y = -11 (×2)
2x - 6y = -14 (x5)
10x - 6y = -22
10x - 30y = -70
---------------------- -
24y = 48
y = 2
Everything you need is in the picture attached.
The answer is 28 sq. Units
First, you would subtract 29.95 from 55.50, and you get 25.55. because 5 people went, and the cost for each was the same, you would divide 25.55 by five, and get $5.11 per person.
