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40=6.95c+5.25
The $40 is what you want it all to equal, so that goes to one side by itself.
The CDs are 6.95 each, so they get a variable to show that.
The 5.95 is added to that, showing that it's only charged once.
Then, all you have to do is solve for c, which is the number of CD's you can buy.
Answer:
x=6
Step-by-step explanation:
since y=5x/2-7, and y=4x/3
so 5x/2-7=4x/3
5x/2-4x/3= 7
15x-8x/6=7
7x/6=7
x= 7*6/7= 6
Combine like terms-- you can combine the k's:
Now you have:
Simply divide both sides by 2.5 to find the value of k:
Answer:
$42
Step-by-step explanation:
Since she has a 30% coupon, the new price of the jeans will be 30% of the original price subtracted from the original price
Original price = $60
Therefore
30% of $60
Make 30% a decimal
30/100 x $60
0.3 x $60 = $18
New price = $60 - $18
= $42
The new price for the jeans is $42
