Simplify the expression: (9x+10) - (3x+7)
2 answers:
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Given:
Amount of money in Tereka’s account :
Amount of money in Emma’s account :
To find:
The difference between initial amounts Tereka and Emma deposit.
Solution:
Substitute x=0 in the given functions, to get the initial amount of money they deposit.
So, the initial amount Tereka deposit is $472.
So, the initial amount Emma deposit is $485.
Difference between the initial amounts Tereka and Emma deposit is
Therefore, the difference between initial amounts Tereka and Emma deposit is $13. Emma deposit $13 more than Tereka.