Vinh needs 420 points to have a b average in math. his scores so far are 88, 89, 79, and 77. what is the minimum score he can ma
2 answers:
Answer:
Vinh must get 87 in the next test to maintain grade B.
Step-by-step explanation:
Vinh needs 420 points to have a B average in math.
His scores so far are 88, 89, 79, and 77.
Addition of these scores is =
Therefore, the minimum score he can make on the next test to maintain the grade B is :
Hence, Vinh must get 87 in the next test to maintain grade B.
You might be interested in
Alright, lets get started.
At the beginning of her training, she is able to run 2 miles without stopping means 2 will be in the addition when we will write the equation for her running miles.
Her goal is to increase her distance by three quarters of a mile each week.
Means in first week, she will add the distance = miles
Suppose she runs x weeks, so shee will add distance =
So, suppose she runs total number of miles = d, then
Where d is total numer of miles she runs
x is number of weeks : Answer
Hope it will help :)