To find the ratio of 3 weeks to 12 days, we need to convert both time periods to the same unit. Since 1 week is equal to 7 days, 3 weeks is equivalent to 3 * 7 = 21 days. Therefore, the ratio of 3 weeks to 12 days is 21:12, which simplifies to 7:4.
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To find the ratio of 3 days to 6 weeks, we need to first convert days to weeks for a common unit of measurement. Since there are 7 days in a week, 3 days is equivalent to 3/7 weeks. The ratio of 3 days to 6 weeks can be expressed as 3/7 : 6, which simplifies to 1/7 : 2. Therefore, the ratio of 3 days to 6 weeks is 1:2.
It is 6 weeks and 3 days
7 weeks (49 days) + 3 days + 2 weeks (14 days) + 5 days + 9 weeks (63 days) + 4 days = 138 days or 19 weeks and 5 days.
There are 21 days in 3 weeks.
12 × ratio = -18 → ratio = -18/12 = -3/2 = -1.5 Checking: -18 × ratio = -18 × -3/2 = 27 as required The common ratio is -3/2 (or -1.5)