What you want to do is get x alone. So, divide both sides by -1/2 so x is alone. -12 divided by -1/2 is 24. Since this is an inequality you have to flip over your inequality sign when multiplying or dividing by a negative so your answer is now x>24
Answer:
270km
Step-by-step explanation:
3 hours is 180 minutes
40 minutes - 60km
180 minutes - x km
x = 180/40 * 60 = 270km (the speed is 90km/h)
Step-by-step explanation:
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Answer:
Step-by-step explanation:
