#18. How is the answer -3. How do I get it?

Mathematics

2 answers:

castortr0y [4]3 years ago

4 0

I hope this will help you.

Ann [662]3 years ago

4 0

7m+3(m+2)=-24
Distribute
3(m+2)=3m+6
7m+3m+6=-24
Combine like terms
7m+3m=10m
10m+6=24
Do the additive inverse of addition
-24-6=
Do keep change change
-24+-6=-30
10m=-30
Do the inverse of division/multiplication
the m cancels out
-30÷10=-3
because a negative divided by a positive equals a negative the result is -3
this is why it is -3.

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Answer:

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Step-by-step explanation:

According to the scenario, calculation of the data are as follows:

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So, we can calculate number of laps by using following formula,

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By putting the value, we get