Oliver paid $21 for 6 t-shirts. Each shirt was the same price. What was the cost of 1 t-shirt?

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one t shirt cost $3.5

$21 divided by 6 = 3.5

The cost of one t-shirt is $3.50

explanation :

21 ÷ 6

= 3.5

why do wages differ across industries

step-by-step explanation :

micro economists are concerned with economics on an industry or individual firm basis.

macro economists are concerned with national and international level

the answer is (4,3)

since the rule for r0, 90º is (-y,x) and it was already applied to form the image, all you have to do is reverse the answer using this formula.