9.2195444572928873100022742817628. or square root of 85
If we try to simplify the ratio or try to multiply both by any number, we will get the equivalent ratio
Like :

Divide ( simplify ) by 2

Or multiply by any number,

From the example, 2 / 3 and 8 / 12 are equivalent ratios to 4 / 6
Answer:
Should be the second and third ones. If you multiply the values together, 3/4s will equal 3/16 and 3/32 with the other value.
To find out all of the possible combinations, just multiply the amount of each variable:
4*2*5 = 40
There are 40 different combinations consisting of a sandwich, soup, and drink.