How much does M owe to S in US Dollars?
Explanation:
Price of 1st bottle = 520 Bahts
Price of 2nd and 3rd bottles each = (520 × 0.7) = 364 Bahts
∴ Total cost of all three bottles = 1248 Bahts
Cost per person = 416 Bahts
R pays 2 Euros = 2 × 46 = 92 Bahts
M pays 4 Euros and 27 Bahts = 4 × 46 + 27 = 211 Bahts
S pays the remaining amount = 1248 − (92 + 211) = 945 Bahts
M owes = 416 − 211 = 205 Bahts to S
But, 205 Bahts = 205/41 = 5 US Dollars
Hence, option (c).
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