3 slices of bread have to be toasted on a grill. The Grill can toast one side of 2 pieces of bread at the same. it takes 30 seconds to toast one side of ta piece of bread. 5 seconds to put a piece in or take it out of the grill. and 3 seconds to flip the piece over. What is the shortest amount of time you can cook all three pieces of bread.
2007-02-25 11:49:58 · 8 answers · asked by b0osg i 1 in Education & Reference ➔ Homework Help
Here's the problem
(3*3)+(5*3)+(30*3)=M
Here's the answer
(3*3)+(5*3)+(30*3)
(9)+(15)+(90)
114seconds or 114/60=1minute 54seconds.
2007-02-25 12:06:28 · answer #1 · answered by cheryl r 1 · 0⤊ 0⤋
It takes 68 seconds per piece, so 68x3 is 204 seconds, which is 3 minutes and 24 seconds.
2007-02-25 19:59:25 · answer #2 · answered by Isabel 2 · 0⤊ 0⤋
1 minute 6 seconds
2007-02-25 19:59:54 · answer #3 · answered by Bookworm 2 · 0⤊ 0⤋
86 seconds or 1 minute and 26 seconds
2007-02-25 19:54:05 · answer #4 · answered by Lawrence O 2 · 0⤊ 0⤋
5 sec : put first piece in
5 sec : put second piece in
30 sec : toast both sides
3 sec : flip first piece over
3 sec : flip second piece over
30 sec : toast both sides
5 sec : take first piece out
5 sec : take second piece out
5 sec : put third piece in
30 sec : toast first side
3 sec : flip third piece
30 sec : toast second side
5 sec : take third piece out
I came up with 159 sec
2007-02-25 20:27:39 · answer #5 · answered by Xilef 2 · 0⤊ 0⤋
149 seconds
2007-02-25 20:01:00 · answer #6 · answered by Anonymous · 0⤊ 0⤋
94 secs
2007-02-25 19:56:39 · answer #7 · answered by moonfreak♦ 5 · 0⤊ 0⤋
37 seconds?im not good at math so idk if its right!
2007-02-25 19:52:55 · answer #8 · answered by jenny 5 · 0⤊ 0⤋