0580 maths question

[student92]

http://www.xtremepapers.me/CIE/Cambridg ... 7_qp_2.pdf
on07 p2
q16
how do we solve this?
marking scheme http://www.xtremepapers.me/CIE/Cambridg ... 7_ms_2.pdf
i have also attached my workings, i have tried to different ways but still i cant get the answer, and in the marks scheme there is no straight forward anser given.
thanks

 

[AnnoyingCarrot123]

You were in the right way, but dont know what made ur way so complicated.
First both of them r a measure of volume so the answer is simply the cube root of 64/0.125 = 8

Part B is squaring 8, because 8 is the scale factor. so 8 squared is 64.
64 multiply by 0.0175 = 1.12

Hope that helps

 

[student92]

thanks alot