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A school has 1200 pupils. 575 of these pupils are girls. 2/5 of the girls like sports. 3/5 of the boys like sport. Work out the total number of pupils in the school who like sport.

As we are told the number of girls that are in the school, our first step should be to calculate the number of boys in the school through a simple subtraction (1200-575 = 625). After this we are told that 2/...
GB
Answered by Gianluca B. • Maths tutor
14251 Views

A radio sells for £63, after a 40% increase in the cost price. Find the cost price.

X+2/5X = 63 or 63 = 140% First we need to understand that the original price (X) has been increased by 40%. Hence, by 2/5 (40/100 = 40%) of its original value, in other words, 2/5X. To find the answer we the...
GB
Answered by Gianluca B. • Maths tutor
6833 Views

Do you have any examples to explain consecutio temporum?

Well, consecutio temporum probably is one of the thoughest concepts to deal with for italian foreign learners. As the world says, consecutio temporum means "time consequence". With this we mean tha...
GM
Answered by Ginevra M. • Italian tutor
4841 Views

I know the points I’d like to make, but how would I go about structuring my essay?

In order to write a well-structured essay you’ll need to ensure your argument is well thought out, clearly signposted, and that your writing is articulate and expressive. It’s always important to plan for 5-...
SB
4273 Views

Given that y=(4x+1)^3sin 2x , find dy/dx .

So this function is the product of two functions of x, so we use the product rule to differentiate it. The rule states if y=uv, dy/dx=(du/dx)v+(dv/dx)u. In this function we assign u=(4x+1) 3 and v=sin2x. Whe...
TF
Answered by Tom F. • Maths tutor
7473 Views