Mathematics, 27.06.2019 16:30 dontcareanyonemo
At first, the ratio of dave's savings to sam's savings was 5: 4. after each of them donated $40 to charity, the ratio of dave's savings to sam's savings became 13: 10. what was dave's savings at first?
Answers: 2
Mathematics, 21.06.2019 17:30
The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?
Answers: 2
Mathematics, 21.06.2019 19:40
Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15
Answers: 1
At first, the ratio of dave's savings to sam's savings was 5: 4. after each of them donated $40 to c...
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