The average weight of 20 girls was increased by 1 kg if 2 girls of 48 kg, and are replaced by 2 boys. What is the average weight of both the boys,
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Answer:
48.5 kg
Step-by-step explanation:
because 2 boys add 1 kg in avg
or each boy adds 0.5 kg
add this to avg wt of 2 girls
so 48+0.5
=48.5 kg...ANSWER
1*20=20kg in total wt
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