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Renee buys 5kg of sweets to sell. She pays £10 for the sweets. Renee puts all the sweets into bags. She puts 250g of sweets into each bag. She sells each bag of sweets for 65p. Renee sells all the bags of sweets. Work out her percentage profit.

To find the percentage profit, we must first find the amount of money she receives from the sale of the bags of sweets.This is equal to the number of bags sold multiplied by the sale price of each bag.The...

Answered by marcus b. • Maths tutor

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Determine the coordinates of the intersection point(s) between the line y = x^2 + 4x - 8 and y = - 2x - 17

Step 1 - Label y = x² + 4x – 8 as equation 1 and y = - 2x – 17 as equation 2.Step 2 - In this particular question it is easier to eliminate the y variable from both equations, as they are both...

Answered by Georgie M. • Maths tutor

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Solve (2x^2 - 3x - 14)/(x^2 + 6x + 8) = -6/(x+3).

LHS: Factorise numerator and denominator, which gives:((2x - 7)(x + 2))/((x + 2)(x + 4))Cancel out (x + 2), gives:(2x - 7)/(x + 4)Multiply both sides by (x + 4)(x + 3) to cancel the denominators, gives:(2...

Answered by Joseph L. • Maths tutor

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Prove that the square of an odd number is always 1 more than a multiple of 4

Let n be any whole number. Any odd number can be written as 2n+1. Any odd number squared is therefore (2n+2)²=2n2n+22n+1=4n²+4n+1=4(n²+n)+1. n²+n is a ...

Answered by • Maths tutor

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A linear sequence starts with: a + 2b ; a + 6b ; a + 10b etc. The 2nd term has value 8. The 5th term has value 44. Work out the values of a and b.

We know that the 2nd term has a value of 8. Thus a + 6b = 8;What is more, we also know that the 5th term has a value of 44. We also know that the next element in the sequence increases by 4b when compared...

Answered by • Maths tutor

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