Marissa got an 85 on her math quiz she got 34 questions correct how many questions are on the quiz
1 answer:
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Answer:
The correct answer is 48, given by option c.
Step-by-step explanation:
This question can be solved by proportions, using a rule of three.
Positive correlation means that the variables are directly proportional, and thus, we apply cross multiplication.
If v is 24 when u is 10, which of these is most likely to be the value of v when u is 20?
24 - 10
x - 20
Applying cross multiplication:
Simplifying both sides by 10:
The correct answer is 48, given by option c.