marie1211
24.03.2020 •
Mathematics
Winnie drives 184 miles.
She drives 60 miles on ordinary roads and the rest on a motorway.
She completes the journey in 3 hours.
She drives at an average speed of 40mph on ordinary roads.
Work out her average speed on the motorway.
need answer with working out pls
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Ответ:
Percentage profit = (profit/ buying price) × 100
= (8.40/28) × 100 = 30%