a 6-pack of under shirts costs $13.98. This is $3.96 less than the cost of buying 6 individual shirts. if each undershirt costs the same amount, how much does each undershirt cost when purchased individually?
6pack = 13.98
6 ind = 13.98+3.96 = 17.94
each costs = 17.94/6 =2.99
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To find out how much each undershirt costs when purchased individually, we need to subtract the $3.96 difference from the cost of buying 6 individual shirts.
Let's denote the cost of each undershirt as "x".
The cost of buying 6 individual shirts is 6x.
Given that a 6-pack of undershirts costs $13.98, we can set up the equation:
6x - $3.96 = $13.98
Now we can solve for x.
First, add $3.96 to both sides of the equation:
6x = $13.98 + $3.96
6x = $17.94
Next, divide both sides by 6 to isolate x:
x = $17.94 / 6
Simplifying the division:
x = $2.99
Therefore, each undershirt costs $2.99 when purchased individually.