Kids and puzzles

SLK32AMG

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Hi do we have any maths people here questions 2 and 3 doing my nuts as kids won't leave me alone until I solve A Sneaky HELP
 

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m2287

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2.

Time = 30 + (20*number of items to be made)

So for a, 5 items its 30 + 100 = 130
 

m2287

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3.

The charge = (90*number of people) + (150*time)

So for a, (90*3) + (150*10)
270+1500
=£1770
 

ChrisEdu

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This is exactly what I teach and tutor. :) If I weren't browsing on my phone, I'd be able to see the questions and help.
 

ChrisEdu

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Q3) a) £ 1770 b) £2340 c) £1620 d) £3150
 

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