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$250 is invested at a bank that pays 7% simple interest. Calculate the amount of money in the account after 1 year,
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Answer:
Remove backets
Group and Evaluate like terms
Answer:
12
Step-by-step explanation:
So, she practices 12 hrs per week, and already has practiced 3 hrs this week.
This means she has 9 hrs left to practice.
3/4 of an hour is one session, so to find out the number of sessions she needs, you have to do (9 hours)/(one session)
which is basically 9 / ( 3/4)
She needs 12 more sessions.