Cross multiply the fractions as in 20 times D and 13 times 60 and the problem will be 20d = 780. Here you can divide 780 by 20 and the answer is what D equals to.
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Answer:
13a + 9b + 11
Step-by-step explanation:
- 9a + 4a = 13a
- 4b + 5b = 9b
- 4 + 7 = 11
- Put them together: 13a + 9b + 11
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Answer: 100x<span>³²
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