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Really need on these. i have no idea what to do

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2