Answer:
First you need to identify what the known ratio and and the unknown one
Then you need to setup the proportion.
After that cross multiply and then solve
Lastly check your answer by plugging the result into the unknown ratio and you should get your answer.
Pythagorean theorem is a^2 + b^2 =c^2 4)8.9
5)6.7
Answer:
340
Step-by-step explanation:
Answer:
There is no missing dollar.
Step-by-step explanation:
The question adds twice the $2 kept by the bell boy. Each one paid $9, so $27 of which the room cost 25 and the bellboy kept 2. Each one received 1 dollar back. Room($25)+Bellboy($2)+Change($3)=$30
If we say 27(room)+2(bellboy) you are accounting for the tip twice
