Mathematics, 11.11.2019 18:31 quarrella
The average of two numbers is 20. if one of the numbers is doubled and the other is trebled the average increase to 52
Answers: 2
Mathematics, 21.06.2019 13:40
Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?
Answers: 2
Mathematics, 21.06.2019 18:30
Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?
Answers: 1
Mathematics, 21.06.2019 19:00
Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1
Answers: 1
The average of two numbers is 20. if one of the numbers is doubled and the other is trebled the aver...
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