450 g in 2:13
<u>Total proportion asked for </u>=2+13=15
<u>Now comparing g with ratio, or whatever </u>
450/15=30g
Therefore 1 in ratio depicts of 30g
So final answer = 

More to know, daily bit of knowledge: The Binomial Theorem:

Answer:
0.08
Step-by-step explanation:
45/5 = 9 jams a day
x/7 = 9
x= 63 jams a day
Hope this helps!
C=8πab
Divide both sides by 8πb
c/(8πb) = a