A van left Singapore at 11.20 o.m. for a city in Malaysia travelling at an average speed of 90 km/h. It arrived at the destination at 1.50 p.m. (a) How far wos
Matematika
lun3
Pertanyaan
A van left Singapore at 11.20 o.m. for a city in Malaysia travelling at an average speed of 90 km/h. It arrived at the destination at 1.50 p.m. (a) How far wos the city from Singapore? (b) If the van travelled 18 km on 1 litre of petrol, how much was the petrol bill at $1.95 per litre? Give your answer to the nearest cent.
1 Jawaban
-
1. Jawaban falenciayhay
13.50 pm - 11.20 am = 2 hour and 30 minutes (the total time the journey took)
A. 2 1/2 x 90 = 225 km
B. 225 km : 18 km = 12,5 litre of petrol
12,5 x $1.95 = $24.375 (24 dollar and 37.5 cent
Maaf klo perhitungan dollarnya salah