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A shop sells only Apples, Bananas and Mangos. The ratio of Apples to Bananas is 5:11. The next shopper will choose one piece of fruit at random. The probability that they buy a Mango is 0.2. What is the probability that they buy an Apple?

We have the probability of choosing a Mango is 0.2 so the probability of choosing an Apple or Banana is 1-0.2=0.8.Next we use the ratio 5:11 to see that for every (5+11)=16 Apples or Bananas, 5 will be Apple...
GM
Answered by Gregor M. • Maths tutor
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What number is in the middle between 4.8 and 6?

Use of number line to show it is 5.4
HH
Answered by Hamza H. • Maths tutor
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Integrate 1/x

ln|x| + c
GG
Answered by George G. • Maths tutor
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An item costs £65 but requires an additional 20% VAT to be added. How much change will you get from £100

(65 / 10)*2 = 13 This is the total amount of VAT to be added.65 + 13 = 78 This is the total amount spent.100-78= 22 Total change is £22.
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Answered by Carys R. • Maths tutor
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Solve the following two equations simultaneously: 3x + y = 10, x + y = 4

Label the equations Equation 1: 3x + y = 10Equation 2: x + y = 42) Establish if the equations need to be subtracted or added together: 'Same sign is subtract and different sign is add' Therefore we need to s...
BA
Answered by Bethany A. • Maths tutor
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