Timothy will need approximately 102 heads of lettuce and the answer here is option a.
Data;
- Heads = 37
- Guest = 100
- Head(2) = x
- Guest(2) = 275
Ratio
This is the rate or division of one number to another.
In this case, we can express the first scenario as
[tex]\frac{37}{100}[/tex]
Adding the second one, we can have it as
[tex]\frac{37}{100} = \frac{x}{275} \\x = \frac{37*275}{100}\\x = 101.75[/tex]
Timothy will need approximately 102 heads of lettuce and the answer here is option a.
Learn more on ratios here;
https://brainly.com/question/1781657