A recipe calls for 1/3 cup of brown sugar for 1 batch. How many batches can be made by one and two-thirds cups? 4 students drew
1 answer:
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First, we solve for y in the first equation:
Then, we substitute the y value in the other equation and solve for x:
Then, we substitute the y value in the other equation and solve for x:
Answer:
We just have to solve each power.
Remember, to solve a power, we just need to multiply its base as many times indicates its exponent.
It's important to know that the negative exponent indicates a position, that's why in the second exercise we needed to change the position of the power to continue.