Ihave 3 sweets it's £2.75 for one how much change do i get from £10

Ok... I can see you are not American (No insult intended if I did insult you)
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Sorry!! Back to track.
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So, we have 3 sweets.
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One is 2.75.
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So?
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Multiply 3 by 2.75, which is 8.25.
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Now, subtract 8.25 from 10.
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The answer is £1.75.
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Hope I helped!!

 There is the equation  10 - 2.75 x 3 
here is how you solve it
 10 - 2.75 x 3
 10 - 8.25  
  1.75
you get $1.75 from $10.

Answer: d. 39 cmin the diagram, the approximate length of the minor arc de is 39 centimetres.step-by-step explanation: the formula for the length of an arc in a circle is as displayed below.let the length of the minor arc de = xx = 2( pi )r × angle of sector / 360°from this, we will substitute the values given from the problem into the formula to obtain the length of the minor arc de.x = 2( pi )r × angle of sector / 360°r = radius = 25cmpi as an approximate value = 3.14angle of sector = 120°x = 2( 3.14 )( 25 ) × 120° / 360°x = 157 × 1 / 4x = 39.25x = 39 ( rounded to the nearest whole number as an approximate value )