the average age of 4 girls is 20 years. if 3 of them are 22 years old then the age of the fourth girl is? please explain the answer
Answers
Answered by
0
Answer:
the fourth girl is 24
Step-by-step explanation:
hope it will help you
Answered by
1
Step-by-step explanation:
(3*22)+(1*x) = 4*20
66+x=80
x=14
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