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LCM stands for Lowest Common Multiple, and HCF stands for Highest Common Factor.
The key to telling the difference between these two things is knowing the differen...
The aim here is to turn the fraction so that the denominator does not have a surd.
Given that we know that any surd squared is equal to the number itself, i.e sqrt(2) * sqrt(2) eq...
This is a quadratic equation. There are different ways to solve quadratic equations including factorising them and using the quadratic formula. This is a simple equation so it cn be solved by factorising....
Break this question into 2.
Divide 65 by 5 = 13
13 x 3 = 39
The price of the bag has been reduced by 20% therefore the sale price of the bag is 80% of the full price. If we divide the sale price by 80 to get 1% of the price, we get £29.40/80 = £0.3675. We then mut...
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