2 pens cost ￡2.46 5 folders cost ￡5.70 Tom buys 20 pens and 20 folders. How much change does he get from a ￡50 note?

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2 pens cost ￡2.46 5 folders cost ￡5.70 Tom buys 20 pens and 20 folders. How much change does he get from a ￡50 note?

Answer 1

Now, let’s plug the numbers into the formulas. Step 1: Calculate the cost of one pen, ### \(Unit \ price \ of \ pen= \frac {{£2.46}}{{2}} £1.23\) Step 2: Calculate the cost of one folder, ### \(Unit \ price \ of \ folder= \frac {{£5.70}}{{5}} = £1.14\) Step 3: Calculate the total cost, ### \(Total \ Amount = (20 \times £1.23) + (20 \times £1.14) = £23.6 + £22.8 = £46.40 \) Step 4: Calculate amount of change, ### \(Change \ from \ £ 50 \ \ note = £ 50 - £46.40 = £ 3.60 \) >So, Tom will get £ 3.60 in change.

Answer 2

## Step 1: Calculate the cost of one pen by dividing the total cost of pens by the number of pens. The formula for this calculation is ### \[Unit \ price \ of \ pen= \frac {{Total \ cost \ of \ pens}}{{ Number \ of \ pens}}\] ## Step 2: Calculate the cost of one folder by dividing the total cost of folders by the number of folders. The formula for this calculation is ### \[Unit \ price \ of \ folder= \frac {{Total \ cost \ of \ folders}}{{ Number \ of \ folders}}\] ## Step 3: Find out the amount Tom needs to pay for all the pens and folders he bought. He bought 20 pens and 20 folders. The formula to find the Total amount is ### \[Total \ Amount = ( Number \ of \ pens \times Unit \ price \ of \ pen ) + ( Number \ of \ folders \times Unit \ price \ of \ folder)\] ## Step 4: Finally, find the change Tom will get by subtracting the total cost from the 50 note he gives. The Formula to find the change is ### \[ Change \ from \ £ 50 \ \ note = £ 50 \ - Total \ cost \]

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2 pens cost ￡2.46 5 folders cost ￡5.70 Tom buys 20 pens and 20 folders. How much change does he get from a ￡50 note?

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