Tony knows that his score on the state wide math exam in june will count as 2 grades. he presently has 4 quarterly great that average out to 88 what possible grades can he get on his state finals to achieve an a average which is 90 or better? the maximum possible grade is 100.

are all the grades to get above/or 90.

Step-by-step explanation:

Since each count as two grades then just add all possible values and divide them by 3 to get the average. We have to divide by three because 6/2 =3:

Hope it Helps!

111

step-by-step explanation:

2(2x + 3) = -4 + 2(2x + 5)

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 6

4x - 6 + 6 = 4x - 6 + 6

4x = 4x

x = x

unlimited solutions.