Your speed while waterskiing is 22 miles per hour. How fast are you traveling in kilometers per hour? Round your answer to the n
2 answers:
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Answer:
17
Step-by-step explanation:
Let x be the number of roses in the first yard. If in the first yard there are 10 roses less than in the second one, then in the second yard there are x+10 roses.
If 9 roses were transplanted from the second yard to the first one, then in the first yard the number of roses is x+9 and the number of roses in the second yard becomes x+10-9=x+1. After transplantation the first yard would have 2 times more roses than the second one, thus
There are x+10=7+10=17 roses in the second yard.