Top answers

Adam buys 4kg of sweets and pays £10 for them. Adam puts all of the sweers into bags with 250g in each bag. He sells the bags for 70p each. All the bags of sweets are sold, what is the percentage profit?

First you would figure out how many bags of sweets Adam made, this would be done by converting 4kg into grams (x1000) so 4 x 1000 = 4000g. Then you would divide the 4000g by 250g to see that 16 bags of sweet...
AS
Answered by Anton S. • Maths tutor
4130 Views

Find the wavelength of a radio wave if the frequency is 11 x 10 ^6 Hz and the speed of radio waves in air is 3 x 10 ^8 m/s.

The key equation here is v = fL ( v is wave speed (m/s), f is frequency (Hz), L is wavelength (m)). We need to rearrange it to get L (the wavelength). To do this, we divide by f to get L = v/f. Frequency is ...
EM
Answered by Emma M. • Physics tutor
2849 Views

Describe the trends in predator and prey populations seen within a community in an ecosystem

Prey population size increases when there are enough resources available for food. When prey populations increase, the predator population size also increases, as this means there is more food available for ...
OC
Answered by Olivia C. • Biology tutor
9062 Views

How does the writer use language to describe Gabriel Oak?

Possible discussion points: Naming: Gabriel - biblical character angel Gabriel God's trusted messenger, Oak - strong, sturdy, natural Simile : 'like the rays in a rudimentary sketch of the rising sun' - risi...
JC
2655 Views

Make y the subject of the formula: p = √x+y/5

P is currently the subject of the formula, y needs to be isolated. To do so first we need to get rid of the square root on the right side of the formula. Opposite to square root is square, so if we square bo...
HM
Answered by Hannah M. • Maths tutor
10956 Views