Write about which method you prefer to use to multiply two 2-digit numbers-regrouping,partial products,or breaking apart a model
2 answers:
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Answer:
Step-by-step explanation:
Since Gloria cannot pay for each minute talked but for packages of 200 minutes at the rate of $25 each, we have to make calculations according to these conditions as follows:
Month 1:
Gloria talked on her cell phone for . So, she had to buy 2 packages of
for
each package.
Hence:
Month 2:
Gloria talked on her cell phone for . So, she had to buy again 2 packages of
for
each package.
Hence:
Month 3:
Gloria talked on her cell phone for . So, she had to buy 3 packages of
for
each package.
Hence:
Then, if we take the total Gloria had to pay for the frist three months, we have:
Answer:
We know that ,
So ,
we can add 2 pi to it since there will be no change in the value
Also,
Answer : Option B