I need help with my homework its a geometry question.

If jaime wants to find 60% of 320, which table should he use?

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Im so bad at fractions they are not my best math thing to work on