Urgent: Math Paper 21 May/June 2011 Question 6????

[EiadHabib]

Urgent: Math Paper 21 May/June 2011 Question 6????

Can someone just explain in a few words how the answer is 108? Please reply asap my exam is tomorrow

 

[invictus]

heres the q..
im also curious!

A company makes solid chocolate eggs and their shapes are mathematically similar. The diagram shows eggs of height 2 cm and 6 cm.
The mass of the small egg is 4 g.
Calculate the mass of the large egg.

 

[invictus]

right......i got it volume ratio is always cube
the ROL is 1:3 but its volume so cube it..
so 1:27
soo... 4/x = 1/27 = 108
hope i helped!!!

 

[EiadHabib]

I know how to calculate the volume ratio, but in this question they are asking for mass not volume! Or is it the same thing?

 

[Dsilentkila]

u can use the same ratio for mass.

 

[EiadHabib]

Okay thanks for the help guys

Good luck on your exam tomorrow

 

[Anonymouss]

1g=1cm^3
so cm/cm = cm^3/cm^3

 

[EiadHabib]

Yeah I got it thanks bro