Answer:
Step-by-step explanation:
Add and then multiply the one left
Answer:12
Step-by-step explanation:
60 times 20 = 1200 1200 divided by 100 = 12
<u>Answer:</u>
37 minutes
<u>Step-by-step explanation:</u>
Lena has 20 dollars. 20 - 12.23 = 7.77
Lena has $7.77 dollars left.
We divide this by .21 to see how many minutes her call was.
7.77 ÷ .21 = 37
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