Luca is planning to pay the restaurant bill for his coworkers. the bill was $193.75. a 4% tax was then added by the waiter. if luca wants to leave a 16% tip on the total amount including tax, how much should luca pay?

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.