解
james who is twice as old as his sister martha, is 24 years old. how old is martha
解
解答ステップ
Translate the problem into an equation:
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人気の例
Pamela's age is three times Jiri's age. The sum of their ages is 44. what is Jiri's agewhat is the speed of an object that moves 4200 centimeters in 40 secondsAn runner ran at 13mph for 13 hours. How far did the runner travel?Latasha Travels 49 miles an hour. how long does it take her to travel 7 miles? your answer should be in hours, accurate to at least the nearest tenthA race car driver won a 500 mile race with a speed of 185.1 miles per hour. Find the driver's time.