9) x= -6
10) x= 3/2
11) x= -4,0,5
12) no solution
Based on the information given, the speed is 20 miles per hour.
From the information given, the winner of the local triathlon swam 0.5 miles, biked 15 miles and ran 2.5 miles and he finished the race in 54 minutes.
Note that 54 minutes = 0.9 hour.
The speed will be:
= (0.5 + 15 + 2.5) / 0.9
= 18/0.9
= 20 miles per hour.
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C) 360
because they can all be multiplied to get 360
20 times 18 24 times 15 45 times 8
Answer:
22/1 & 23/2
Step-by-step explanation:
