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vlabodo [156]
3 years ago
7

If 7 litres of petrol cost $14.70 ,calculate the cost of 15 litres of petrol Kindly answer

Mathematics
1 answer:
erastovalidia [21]3 years ago
3 0

Answer:

The cost of 15 liters is $31.50

Step-by-step explanation:

1. Find the price for 1 liter of petrol.

Divide the cost by the number of liters:

$14.70 / 7 = $2.10 per liter.

2. Multiply the price for 1 liter by the new number of liters, 15.

$2.10 per liter x 15 liters = $31.50

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Three coins are flipped.
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Step-by-step explanation:

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2.

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3 years ago
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3x - 2y = -18 use the table of vaules to graph the line
docker41 [41]

Answer:

Given the equation of line :  3x -2y = -18

Table values:

x                  y

0                  9

2                  12

4                   15

6                   18

-6                  0

Now, plot these points (0,9), (2, 12), (4, 15) , (6, 18) and (-6, 0) on the co-ordinate planer, to graph the the line.

You can see the graph of the given equation as shown below.                  

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3 years ago
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