It takes five times as long to hard-boil an egg as it does to soft-boil an egg. If it takes x minutes to prepare a soft-boiled egg, and every egg must be cooked one at a time, which of the following terms indicates the amount of time it will take for a short-order cook to prepare 10 hard-boiled eggs and 5 soft-boiled eggs?

1. 15x
2. 35x
3. 50x
4. 55x
5. Not enough information is given.

Question

It takes five times as long to hard-boil an egg as it does to soft-boil an egg. If it takes x minutes to prepare a soft-boiled egg, and every egg must be cooked one at a time, which of the following terms indicates the amount of time it will take for a short-order cook to prepare 10 hard-boiled eggs and 5 soft-boiled eggs?

	1.	 	15x
	2.	 	35x
	3.	 	50x
	4.	 	55x
	5.	 	Not enough information is given.

anonymous · Answer

4.
if you let S be soft boil and H be hard boil,
S=5H
So since there are 10 hard boil then by converting them to the amount of time to boil a soft, 10*5=50
then add on the 5 soft boil 
50+5=55
so 55x