Question

Rosie wrote this expression to describe the amount she paid for each yoga class. Which situation could be described by this expression? A. Rosie knows that each yoga class costs $30. She doesn't know how many classes she bought. B. Rosie knows that she paid $30 for one yoga class. She does not know the total amount she spent. C. Rosie knows that she paid a total of $30 for the yoga classes. She doesn't know how many classes she's gone to so far. D. Rosie knows that she paid a total of $30 for the yoga classes. She does not know how many classes she bought.

Answer 1

If Rosie is trying to figure out the amount that she needs to pay for her total yoga classes.

First, we need to establish what we know, and what we do not know.
We know that Rosie knows how many yoga classes she has.
We know that she knows how many yoga classes she bought.
She does not know how much each yoga class costs.

So, that cancels out A, B, and C because she doesn't know how much one yoga class costs.

It can only be D, because D  tells us that she knows the total is $30, but not the amount each class costs.

Answer 2

Answer:

D.

Rosie knows that she paid a total of $30 for the yoga classes. She does not know how many classes she bought.

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