Maths with David

17 November

👉🏼Dasha buys a coffee machine for £84. This includes VAT of 20%. How much would the coffee machine cost without VAT?

👈🏼Make x the subject of $\frac{1}{3}w = \frac{1}{4}x + t$

👆🏼Write 0.311111… as a fraction

👇🏼Simplify fully: $\frac{4x^2-25}{6x^2-11x-10}$

🖐🏼Calculate the area of the following triangle:

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