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Max invests £2000 and gets 2.5% compound interest per year. Jade invests £1600 and gets 3.5% compound interest per year. Work out who will get the most interest by the end of 3 years.

To calculate the interest for Max we need to do 2000 multiplied by 1.025³To calculate the interest for Jade we need to do 1600 multiplied by 1.035³At the end of the three years, Max ...

Answered by Tutor405605 D. • Maths tutor

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differentiate the function (x^2 +5/x + 3) with respect to x

2x + 5 lnx

Answered by • Maths tutor

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At a concert, the number of men, women and children can be expressed with the following ratio: 6:11:4 There were 6525 more women than men. How many children were at the concert?

We know there are 6525 more women than men. We can deduce that 5 'parts' = 6525 as 11-6=5If 5 parts = 6525. 1 part = 6525/5 = 1305.We know that 4 parts are children so, 1305 * 4 = 5220Alternatively, once ...

Answered by Sandesh R. • Maths tutor

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Solve the simultaneous equations 3x + y = 11 and 2x + y = 8.

First identify which unknown has the same coefficient. In this case it is y.Either add or subtract the two equations to eliminate y. In this case we subtract one equation from the other (can be either). 3...

Answered by Natasha C. • Maths tutor

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