Mathematics, 25.09.2020 19:01 fosofallout46521

A CAR JOURNEY OF 380 KM LASTS 4 HOURS. PART OF THIS IS ON A MOTORWAY AT AN AVERAGE SPEED OF 110KM H/H, THE REST ON COUNTRY ROADS AT AN AVERAGE SPEED OF 70KM/H. CAN SOMEONE WRITE THIS INFORMATION AS A PAIR OF SIMULTANEOUS EQUATIONS?

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A CAR JOURNEY OF 380 KM LASTS 4 HOURS. PART OF THIS IS ON A MOTORWAY AT AN AVERAGE SPEED OF 110KM H/...

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