Question

( widetilde{Sigma}-|| sum_{Sigma}^{+} sum_{s}^{+} xi^{g} )
( = )

# 8. The average weight of five per- sons sitting in a boat is 38 kg. The average weight of the boat and the persons sitting in the boat is 52kg. What is the weight of the boat ? (1) 228 kg (2) 122 kg (3) 232 kg (4) 242 kg

Solution