How to solve a 2-Step word How to solve a 2-Step word problem using RUCSACproblem using RUCSAC
By Kye and NinaBy Kye and Nina
A car driver fills his car with 38 A car driver fills his car with 38 litres of petrol, which costs 98p per litres of petrol, which costs 98p per litre. He then uses 8 litres of petrol litre. He then uses 8 litres of petrol
on his next journey. What is the on his next journey. What is the total value of petrol left in his car total value of petrol left in his car
after? after?
• A car driver fills his car with 38 litres of petrol, which costs 98p per litre. He then uses 8 litres of petrol on his next journey. What is the total value of petrol left in his car after?
• He fills the car with 38 litres. He uses 8 litres from his last journey and it costs 98p per litre, so you need to work out…
• 38 x £0.98
.. 30 8 90 2700 720 2700 720 240 64
£37.24 8 240 64
The answer is £37.24 but we still have to take away the cost of 8 litres, so…
£37.24 - £7.84 = £29.40
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