The average of
20 numbers is 22. The
average
first 11 numbers and last 10 numbers are 23 & 21
resp. what is 11th number?
Answers
Answered by
1
Answer:
please mark brainliest
Step-by-step explanation:
20×22=440
11×23=253
10×21=210
so,
253-210=43
sorry if it is wroy
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