Question

(WITH SOLUTION PLS)

1.) The mean of a, b, and c is 0.4. The mean of a, b, c, and d is 0.325. Find the value of d

2.) The mean of p, q, and r is 72. The mean of p, q, r, s and t is 70.8. Find the value of s + t

3.) Joseph's mean score in 10 tests is 74. What is his total score in these 10 tests?

4.) The mean of 3, x, x, 4, 7 is 6. FIND THE VALUE OF X

5.) Given x is a positive integer. If the median of the set of numbers: 2, 3, 6, x, and x + 2, is 3, find the possible values of x

Answer 1

Answer:

The mean of a b c d and e is 28

sum=a+b+c+d+e= 28×5 = 140

the mean a c and e is 24

a+c+e=24×3 = 72

b+d = 140 -72 = 68

mean of b and d = 68/2= 34

Answer 2

this is the answer of your question