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Luckily, the difference is nice and easy to learn! We’ll start with ‘wenn’. Firstly, ‘wenn’ can mean both ‘whenever’ and ‘if’. The reason I say ‘whenever’ is because ‘wenn’ is often used to describe a reg...

To solve this question we first need to multiply the top part of the two fractions together to get the top part of the answer: 7×3=21. Then we need to multiply the bottom part of the two fractions togethe...

The difference between GDP (Gross Domestic Product) and GNI (Gross National Income), lies in the distinction between the notions of ‘national’ and ‘domestic’. GDP measures all output produced within the b...

We differentiate here to find the gradient, dy/dx, i.e. the differenitial of y in terms of x. As the right handside is purely dependant on x, this is simple. We can just multiply through by the power, i.e...

First of all, that's a great question, because knowing the difference between the 2 past tenses in Spanish is really important! Firstly, let's think about why there are 2 different tenses...