The average of 7 numbers is 60. The average of the first three numbers is 50, while the race of the last three is 70. What must be the remaining number?
Answers
Answered by
0
Answer:
210
Explanation:
Average of 7 numbers being 60, the sum of the 7 numbers be (7×60) = 420. Average of first 3 numbers being 50, the sum of first 3 numbers be (3×50) = 150. Average of last 3 numbers being 70, the sum of last 3 numbers be (3×70) = 210.
mark me as the brainliest
Similar questions