I will give you my solution down here
3x-x=2+4
2x=6
x=3
If the test is a major grade ( 60% of final grade) then around 73-75 but if the grade is worth a daily grade (40% of final grade) 78-82
Answer:
9.5% increase
Step-by-step explanation:
2/21 x 100
.095 × 100
9.5%
Answer:
86=8h
Step-by-step explanation:
Answer:
He needs at least 77 on the 5th test.
<em>T₅ ≥ 77</em>
Step-by-step explanation:
If five numbers are to average 84, then their sum must be (5 x 84) = 420 .
Gale needs his five grades to add up to 420.
So far, he has (80 + 95 + 78 + 90) = 343 .
He needs at least (420 - 343) = <em>77 more</em> points on the 5th test.