29. The ratio of the number of girls to the number of boys in a hall was 2:3. After 10 girls and 10 boys entered the hall, the ratio of the number of girls
to the number of boys became 5:7. How many boys were there in the hall
at first?
22

20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1