ted needs an average of at least 70 on his 3 history tests. he has already scored 85 and 60 on 2 of them. what is the minimum grade ted need on his 3rd test?

Answer 1

.7 * 300 = 210

85 + 60 + x = 210

x = 210 - 145

x = 65

Answer 2

Thanks

Answer 3

You're welcome.