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Jess wants to buy 30 mugs for her tea party. She can buy them at Shop A at £3.49 each or at Shop B as a pack of 30 at £58 plus VAT at 20%. She wants to get the cheapest option. Which shop should she buy from?

Shop A-> Total Price = 30 plants x £2.49 =£74.70 Shop B-> VAT = 20% = 0.2 VAT = 0.2 x £58 = £11.60 Total Price = £11.60 + £58 = £69.60 OR Total price = 1.2 x £58 = £69.60 Therefore Jess should buy from...
CH
Answered by Claudia H. • Maths tutor
3104 Views

Show that 12 cos 30° - 2 tan 60° can be written in the form√ k where k is an integer

Firstly work out (using the sin cos tan triangle and soh cah toa) what cos 30° and tan 60° are equal to so tan 60° = √3 and cos 30° = √3 / 2 then substitute these values into the euqation giving 12 x √3 / 2 ...
EN
Answered by Eve N. • Maths tutor
33025 Views

Kelly is trying to work out the two values of w for which 3w - w^3 = 2 Her values are 1 and -1 Are her values correct? You must show your working.

Firstly substitute her first value into the equation so w=1 giving (3 x 1) - (1)^3 = 3 - 1= 2 so her first value for w is correct Next substitute the second value into the equation so w= -1 giving (3 x -1) -...
EN
Answered by Eve N. • Maths tutor
11175 Views

GCSE: How do you find the bearing of point B from A?

Draw a line pointing North from point A. Use a ruler to draw a line that joins points A and B. Use a protractor to measure the angle between the line that is North of A and the line that joins A and B This a...
MP
Answered by Marcel P. • Maths tutor
17537 Views

Work out 2 and 3/4 x 1 and 5/7 Give your answer as a mixed number in its simplest form.

First make each fraction into an improper fraction so on the top of the first fraction it would be 3 + (2 x 4) = 3 + 8 = 11 therefore first fraction = 11/4 for the second fraction the top = 5 + (1 x 7) = 5 +...
EN
Answered by Eve N. • Maths tutor
31025 Views