Answer:
70
Step-by-step explanation:
LongSong = 286s
LongSong = 2 * ShortSong - 126s
=>
2 * ShortSong - 126s = 286s
2 * ShortSong = 286s + 126s
2 * ShortSong = 412s
ShortSong = 206s
6 pounds of apples cost $7.38
1 pound of apples would cost $7.38 / 6 = $1.23
So the unit price of apples = $1.23 per pound
I hope this helps.
Answer:
42
Step-by-step explanation:
10x+15x+6x=217
31x=217
217/31=7
6x7=42