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franstirlacci
19.03.2021 •
Mathematics
- Adrian's car gets about 12.5 kilometers per liter. He is planning a 1,600 kilometer trip.
a) About how many liters of gas should Adrian plan to buy? Round your answer to the nearest liter.
b) At an average price of $0.90 US per liter, how much should Adrian expect to spend for gas?
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Ответ:
[1] 128 litres.
[2] $115.2.
Explanation:
(1) In 12.5km, car takes 1 litre.
In 1km, car takes 1/12.5
For 1,600km, 1/12.5 × 1600
= 128 litre of gas.
(2) For 1 liter, he pays $0.90
So, for 128 litres of gas, he pays:
= 128 × 0.90
= 115.2$.
Ответ:
map
Step-by-step explanation: