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the mean height of 20 boys and 14 girls is 161 cm. if the mean height of the 14 girls is 151 cm. find the mean height of 20 boys​
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the mean height of 20 boys and 14 girls is 161 cm. if the mean height of the 14 girls is 151 cm. find the mean height of 20 boys​

User BalaB
by
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1 Answer

3 votes

Answer:

Answer:171 cm

Explanation:

161 = x +151/2

161*2 = x + 151

322 - 151 = 171

User Marlin Pierce
by
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