Terry, kevin and barry together have 215 marbles. terry has 20 marbles more than barry and kevin has 10 marbles more than terry. how many does barry have?

Terry, Kevin and Barry have a total of 215 marbles.=> Terry has 20 marbles more than Barry = x + 20=> Kevin has 10 marbles more than Terry = (x + 20) + 10=> Barry = xSolutions:=> x + x + 20 + x + 20 + 10 = 215=> 3x + 50 = 215=> 3x = 215 - 50=> 3x = 165=> 3x / 3 = 165 / 3=> x = 55Barry have = 55Terry = 55 + 20 = 75Kevin => 75 + 10 = 85

Od. 130 degrees because if you add them together you get the 130

143 75 107 13 the answer