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Amber earns £7 for each hour she works from Monday to Friday. She earns £10 for each hour she works on Saturday. One week Amber worked for 4 hours on Saturday. That week she earned a total of £180. How many hours did Amber work that week?

So to break this question down, I would highlight the key points of the question. She earns £7 per hour on Monday to Friday. She earns £10 per hour on Saturday You know that in one week, she worked for 4 hou...
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Finding the value of x when 3x + 5 = 35

3x + 5 = 35 In this situation, you would want to take away 5 to both sides. 3x + 5 - 5 = 35 - 5 3x = 30 Then you would want to divide both sides by 3 in order to get x on the left hand side of the equation. ...
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How do you add or take away fractions? E.g: what is 1/3 + 3/4

1/3 + 3/4 First we make the denominator the same. i.e: we would multiple 1/3 by 4 and multiply 3/4 by 3 in order to get the same denominator. 4/12 + 9/12. Now you can add the numerator together as they have ...
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Write (x-2)(x+4)=10 in the form ax^2 + bx + c = 0 and work out the values of a, b and c

We should begin by multiplying out the brackets. Firstly, multiply each term in the first bracket with the first term in the second bracket: x times x equals x 2 and -2 multiplied by x is equal to -2x. Next,...
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Answered by Thomas C. • Maths tutor
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White paint costs £2.80 per litre. Blue paint costs £3.50 per litre. White paint and blue paint are mixed in the ratio 3 : 2 Work out the cost of 18 litres of the mixture.

3:2 means there are 5 parts. So 18 litres can be divided by 5, and the price of each part worked out individuallly. 18 / 5 = 3.6 To work out how much the white paint costs: 3.6 x £2.80 = £10.08 £10.08 x 3 (a...
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Answered by Sophia H. • Maths tutor
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