The average of four number is 15. If sum of frist three is 50, then find fourth numbers.
Answers
Answered by
1
Answer:
10
Step-by-step explanation:
a + b + c + d / 4 = 15
a + b + c + d = 60
50 + d = 60
therefore d= 10
Answered by
2
Answer:
last number is 10
Step-by-step explanation:
let's take no's as a, b, c, d
a+b+c+d/4=15
50+d=60
d=10
Similar questions