Help A number is the sum of 12.4 and 23.79, decreased by 5.27. What is the number?
2 answers:
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Answer:
B
Step-by-step explanation:
30 are unusable in 200. So how many are unusable in 17,000??
<em>We can set up a ratio and figure out the answer right away! Let x be the number of unusable bolts in 17,000, so we can write:</em>
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<em>THus, number of unusable bolts is 2550. B is right.</em>