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joja [24]
3 years ago
12

8 identical pens cost £12 work out the cost of 10 of these pens

Mathematics
1 answer:
katen-ka-za [31]3 years ago
3 0

Ok. So, if 8 pens cost £12. Then we would divide £12 by 8. Each pen costs £1.5.

So now we are going to multiply £1.5 and 10. £1.5*10=15.

The total of 10 pens is £15.

I hope this helps, if you need any additional help, just ask. I am here to help you as needed.

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Possible dimension of a box with a volume of 100 cubic cm
10 x 10 x 1 = 100
10 x 5 x 2 = 100
5 x 5 x 4 = 100

Surface area:
10 x 10 x 1 dimensions: 
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10 x 1 = 10 x 4 = 40 sq. cm
240 sq. cm * $0.05 / 100 sq.cm = $0.12 per box
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10 x 5 x 2 dimension
10 x 5 = 50 x 2 = 100 sq. cm
10 x 2 = 20 x 2 = 40 sq. cm
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160 sq. cm * $0.05/100 sq. cm = $0. 08 per box
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5 x 5 x 4 dimension
5 x 5 = 25 x 2 = 50 sq. cm
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130 sq. cm * $0.05/100 sq. cm = $0.065 per box
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The best dimension to use to have the least cost to make 100 boxes is 5 x 5 x 4. It only costs $6.50 to make 100 boxes.
8 0
3 years ago
A card is chosen at random from a standard deck.
allsm [11]

Answer:

6/13

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7 0
2 years ago
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3 years ago
I need help with this
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A sequence is defined by the recursive function f(n+1)=f(n)-2 <br><br>If f(1)=10 what is f(3)?
DENIUS [597]

Answer:

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Step-by-step explanation:

Using the recursive rule and f(1) = 10 , then

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