Step-by-step explanation:
$15
He keeps 8. He saves 5 so 8+5=13
He also gives $2 to charity.
8+5+2= $15
Answer:10 tickets = 30$20 = 60$30 = 90$40 = 120$50 = 150$
Answer:
3/2, -3/2, (if it is asking for imaginary solutions as well then 3i/2 and -3i/2)
x,y, and z is 4,0, -1