Algebra, STD2 EQ-Bank 24

QuickPrint Copy Centre charges for printing services using the formula below.

Total cost = Setup fee + Cost per page $ \times $ Number of pages

A spreadsheet used to calculate the total cost is shown.

Write down the formula used in cell E3, using appropriate grid references. (1 mark)

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QuickPrint increases their cost per page to \$0.42, but keeps the setup fee unchanged. Aisha needs to print 120 pages.

How much more will Aisha pay compared to the original pricing shown in the spreadsheet? (2 marks)

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a. $=\text{B3}+ \text{B4} \ ^* \ \text{B5}$

b. $$14.40$

Show Worked Solution

a. $=\text{B3}+ \text{B4} \ ^* \ \text{B5}$

b. $\text{Original cost from spreadsheet}:\ $44.50$

$\text{At increased rate}:$

$\text{Total cost}\ =8.50+0.42\times 120=$58.90$

$\text{Additional amount}\ =58.90-44.50=$14.40$