2 answers:
Answer:
£85.87
Step-by-step explanation:
580/33.5
= 17.3134328358 gallons
17.3134328358 × 4.55
= 78.7761194029 litres
Cost:
78.7761194029 × 1.09
£85.8659701492
Let the cost of petrol of the car be £ x
£x=580mile
33.5mile=1gallon
1gallon=4.55litre
1litre=£1.09
By using chain rule,
X x33.5x1x1=580x1x4.55x1.09
Or,x=85.86
So x=£85.86
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16.80 is the only reasonable answer
Answer: 9x+18
Step-by-step explanation:
123.4651163 or rounded to 123.47
