Question

aman scored 70,87,77 and 78 in four test. What is the test score he should get in his next test for average 80​

Answer 1

Answer:

88

Step-by-step explanation:

Aman's scores in 4 tests = 70, 87, 77 and 78

Let Aman's score in the 5th test be = x

Aman's average score = (70+87+77+78+x)/5

ATQ: (70+87+77+78+x)/5 = 80

70+87+77+78+x = 80*5

312+x = 400

x=400-312

x = 88

Answer 2

Answer:

this is your answer of your questions