Need help :) i’m bad at math lol
1 answer:
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Answer:
56 problems
Step-by-step explanation:
So we already know that the answer is: 56. However, a good help is knowing how to obtain this answer from the data provided.
Tony's quiz had 80 questions
Tony correctly answered 70% of them.
We can always write a percentage amount as a ratio by dividing the amount by 100.
.
This means that for every 100 questions, tony will respond correctly 70.
So, if Toni did a questionnaire of n questions, the amount that will answer correctly is calculated by the following expression:
If then:
Answer:
71.12 cm
Step-by-step explanation:
There are 2.54 cm per inch, so your conversion is ...
(28 in)(2.54 cm/in) = 28×2.54 cm = 71.12 cm . . . (exactly)
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As with all units conversions, you multiply by a fraction whose value is 1. That is, the conversion factor has the same value in the numerator as in the denominator. You choose those values so the numerator has the units you want, and the denominator has the units you want to convert from. Here, that conversion factor is ...
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If you're looking for assistance for your units conversions, a search box is generally all you need.
