Mathematics, 24.03.2020 15:34, josh200508

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

Answers: 3

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Winnie drives 184 miles.
She drives 60 miles on ordinary roads and the rest on a motorway.