​you are taking a math course in which there will be four​ tests, each worth 100 points. you have scores of 89​, 93​, and 98 on the first three tests. you must make a total of 360 in order to get an
a. what scores on the last test will give you an​ a?

Respuesta :

89+93+98 = 280

360 - 280 = 80 marks is needed for the last test