Lisa has 6 hours of studying to do . If she divides her study time into 1/2-hour sessions , how many study sessions will she nee
2 answers:
Answer:
12
Step-by-step explanation:
6 / .5 (same as 1/2)
or 6 X
Remember when we divide by a fraction we do the following
Keep it (the first number stays the same)
Change it (convert from a division problem to a multiplication problem)
Flip it (flip the fraction that we are dividing by over - this is called a reciprocal)
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To do this, we're going to use the order of operations (PEMDAS):
P - Parentheses
E - Exponents
M - Multiplication
D - Division
A - Addition
S - Subtraction
First let's do parentheses, there isn't anythig in parentheses we need to simplify, so we can skip this step.
Next let's look for exponents. I see we have a so let's replace that with
:
Now let's look for multiplcation. We know that things that are right next to eachother in parentheses represent multiplcation, so let's simply this more:
And now we're left with a simple problem we know how to solve.
Answer:
Hope this helps!