Carly needs $205 for a concert ticket. she already has $15 and she can earn the rest by working 12 hours at her job. if h represents her hourly earnings, write an equation that represents the situation

Shannon mary and john earn a weekly allowance ahannon earns the amount that is 2/3 of what john earns mary earns an amount that is 1 2/3 of what johns earns 20 dollars a week who eaens the greatest allowance and who earns the least