jane leaves her bicycle at 8:00 AM, traveling at an average speed of 15mph. her brother frank leaves home in his car at 10:30 AM
2 answers:
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Answer:
x=2
Step-by-step explanation:
5x+ = 7
5x+4 =7 (2)
5x+4=14
5x=14-4
5x=10
=
x=2