Question
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?
Answers
Ms. Sue
.7 * 300 = 210
85 + 60 + x = 210
x = 210 - 145
x = 65
85 + 60 + x = 210
x = 210 - 145
x = 65
The doctor
Thanks
Ms. Sue
You're welcome.