Adam plans to choose a video game from a section of the store where everything is 75 % off . He writes the expression d - 0.75d
2 answers:
Answer:
Adam plans to choose a video game from a section of the store where everything is 75 % off .
He writes the expression
Where d is the original price is d dollars.
75% off on d is represented as 0.75d.
And 0.75d is subtracted from original price d to get the price after discount. Hence, the equation forms
For example:
Let the price of an item be = $100
So, price will be = dollars
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Rena correctly writes another expression,
This means that 25% of d will be charged.
This is also correct.
Same example as above.
Let the price be = $100
Price will be = dollars
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Given:
Cost of four lines = $125
Cost of each additional line = $15
Jason wants to spend at most $200 per month on cell phone expenses.
To find:
The inequality for the given situation.
Solution:
Let be the number of additional line.
Cost of one additional line = $15
Cost of additional line =
Total cost = Fixed cost + Addition cost
=
It is given that Jason wants to spend at most $200 per month on cell phone expenses. It means the total cost must be less than or equal to 200.
Therefore, the correct option is C.