6 blue marbles for every 5 purple marbles. If a bag has 45 purple marbles, how many blue marbles does it contain.?

👨🏻‍🏫 學術台數學

2016-10-30 4:41 am

回答 (2)

2016-10-30 4:42 am

54

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2016-10-30 4:48 am

　
Use ratios:

x/45 = 6/5
x = 45 * 6/5
x = 54

Bag contains 54 blue marbles

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收錄日期: 2021-04-21 23:49:00
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