NEED HELP ON THIS QUESTION!!!!! from module 0, 3rd quiz, problem 13

[victorioussheep]

I don't know how prof. Loh get the ratio of 1.1 when 1.1 is a number, not a ratio?

[RZ923]

@victorioussheep
1.1 is here is the same as 1:1.1.

[victorioussheep]

@rz923 I don't how Pro. Loh got to the ratio of 1:1.1. Can you explain this to me?

[quacker88]

@victorioussheep The current diameter is 33 inches, and the normal diameter is 30 inches. The ratio between the two is then

$$ \frac{33}{30}=\frac{11}{10}=1.1 $$

Hope this helps

[victorioussheep]

@quacker88 this helps me a lot! Thank you so much!