One common system for computing a grade point average (gpa) assigns 4 points to an a, 3 points to a b, 2 points to a c, 1 point to a d, and 0 points to an f. what is the mean of a student who gets an a in a 3-credit course, a b in each of two 2-credit courses, a c in a 3-credit course, and a d in a 2-credit course?

A student gets an A in 3 credits (4, 4, 4)

B in 2 credits (3, 3)

C in a credit (2)

D in a credit (1)

Add each number together and divide by the amount of numbers there are:

(4 + 4 + 4 + 3 + 3 + 2 + 1)/7 = (21)/7 = 3

The mean is 3, or a B

hope this helps

chiken

step-by-step explanation:

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.