please the underlined one
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mean age = 13
total age of 33 student = 13*33 =429
now, 1 girl leaves so, age of 12 students = 32* (207/16) = 414
age of girl = 429 -414 =15 years
hope it helps :)
total age of 33 student = 13*33 =429
now, 1 girl leaves so, age of 12 students = 32* (207/16) = 414
age of girl = 429 -414 =15 years
hope it helps :)
Pryeee:
ty it surely did help me
happy to help :-)
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