HELP PLEASE Gina has $15$ dollars more than twice as much money as her sister Maria. If Gina gives Maria $30$ dollars, then Gina will have half as much money as her sister. How many dollars does Gina have?

gina have 45$ dollars cz if she gives her sister 30$ dollar then gina will have half money as her sisters plz mark me as brainliest

step-by-step explanation:

∆abc has the points a(1, 7), b(-2, 2), and c(4, 2) as its vertices. formed with the point d(1, 2) as its third vertex, then ∆abd is triangle.