Helena makes $500 per week and she puts 15% of her paycheck in savings how much money does she put in savings

Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10