KEyskills Practice
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CALCULATING COSTS
In some calculations more than one operation may be used.
Example 1
An artist buys 9 paintbrushes costing 56p each.
How much change will be received from a £10 note?
Cost of paintbrushes = 9 x 56p
= £5×04
Amount of change = £10 - £5×04
= £4×96
Some calculations for you to try:
1. An office buys 2 computers for£799(including VAT) and a printer costing £249. The budget for this expenditure is £200. How much money remains after the purchase?
2. A theatre can seat 564 people in the stalls, 228 in the circle, and 196 in the balcony.
a) How many people can the theatre seat in total?
Seats in the stalls cost £24×50, circle seats cost £27×00 and balcony seats cost £19×50
b) How much will the theatre take if it has a full house?
3. A paediatric unit buys packs of nappies each containing 20 nappies for £6×95 per pack.
a) How much will 50 packs cost?
b) How much change will be received from £400?
A company offers to supply the unit with nappies. 50 packs will cost £500, each pack contains 30 nappies.
c) Should the paediatric unit change supplier?
d) Produce calculations to support your answer.
INTERMEDIATE IT – UNIT 1 PRESENTING INFORMATION
The cost of reproducing a single sided A4 document is £3 per 100 copies and £14.50 per 500 copies.
The cost of reproducing the same document on coloured paper is £4 per 100 copies and £19.50 per 500 copies.
The cost of reproducing the same document on a high quality watermarked paper is £5 per 100 copies and £22.50 per 500 copies.
The cost of cost of reproducing the same document on a thin card is £1.80 for 20 copies.
Calculate the cost of reproducing a single document for each of the given prices.
The cost of reproducing a double-sided document is 75% more in each case.
Calculate the cost of reproducing a double-sided document for each of the given prices.
A restaurant has £500 to spend on reproducing menus. The menu could be reproduced as a double side document or as a two-paged single sided document.
Investigate how they might spend the money reproducing the menu and produce a plan outlining the alternatives open to them.
|
CALCULATING COSTS
In some calculations more than one operation may be used.
Example 1
An artist buys 9 paintbrushes costing 56p each.
How much change will be received from a £10 note?
Cost of paintbrushes = 9 x 56p
= £5×04
Amount of change = £10 - £5×04
= £4×96
Some calculations for you to try:
1. An office buys 2 computers for£799(including VAT) and a printer costing £249. The budget for this expenditure is £200. How much money remains after the purchase?
2. A theatre can seat 564 people in the stalls, 228 in the circle, and 196 in the balcony.
a) How many people can the theatre seat in total?
Seats in the stalls cost £24×50, circle seats cost £27×00 and balcony seats cost £19×50
b) How much will the theatre take if it has a full house?
3. A paediatric unit buys packs of nappies each containing 20 nappies for £6×95 per pack.
a) How much will 50 packs cost?
b) How much change will be received from £400?
A company offers to supply the unit with nappies. 50 packs will cost £500, each pack contains 30 nappies.
c) Should the paediatric unit change supplier?
d) Produce calculations to support your answer.
INTERMEDIATE IT – UNIT 1 PRESENTING INFORMATION
The cost of reproducing a single sided A4 document is £3 per 100 copies and £14.50 per 500 copies.
The cost of reproducing the same document on coloured paper is £4 per 100 copies and £19.50 per 500 copies.
The cost of reproducing the same document on a high quality watermarked paper is £5 per 100 copies and £22.50 per 500 copies.
The cost of cost of reproducing the same document on a thin card is £1.80 for 20 copies.
Calculate the cost of reproducing a single document for each of the given prices.
The cost of reproducing a double-sided document is 75% more in each case.
Calculate the cost of reproducing a double-sided document for each of the given prices.
A restaurant has £500 to spend on reproducing menus. The menu could be reproduced as a double side document or as a two-paged single sided document.
Investigate how they might spend the money reproducing the menu and produce a plan outlining the alternatives open to them.
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