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5. A car runs 9 km using 1 litre of petrol. How much distance will it cover in 3 litres of petrol?

6. Multiply: [tex]17.11 \times 10.01[/tex]

7. How much more is 78.8 litres than 36.6 litres?

Sagot :

GinnyAnsweridn
Let's take each question step by step:

### Question 5:
A car runs 9 km using 1 litre of petrol.

To find out how much distance the car will cover using 3(3) litres of petrol:
1. Calculate the total litres of petrol: 3(3) = 3 * 3 = 9 litres.
2. The car covers 9 km per litre.
3. Multiply the distance covered per litre by the total litres of petrol: \(9 \text{ km/litre} \times 9 \text{ litres} = 81 \text{ km}\).

So, the car will cover 81 km with 9 litres of petrol.

### Question 6:
Multiply: 17.11 x 10.01

To perform the multiplication:
1. Multiply 17.11 by 10.01:
[tex]\[ 17.11 \times 10.01 = 171.2711 \][/tex]

So, the product of \(17.11 \times 10.01\) is 171.2711.

### Question 7:
How much more is 78.8 litres than 36.6 litres?

To find the difference:
1. Subtract 36.6 litres from 78.8 litres:
[tex]\[ 78.8 - 36.6 = 42.199999999999996 \][/tex]

So, 78.8 litres is 42.2 litres more than 36.6 litres. (Note: The precise value is 42.199999999999996, but it can be rounded to 42.2 litres).

In summary:
1. 81 km can be covered with 9 litres of petrol.
2. The product of 17.11 x 10.01 is 171.2711.
3. 78.8 litres is 42.2 litres more than 36.6 litres.
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