A shirt is on sale for 10% off. The sale price is $27.00. What is the original amount of the shirt?

Step-by-step explanation:

$29.70

I think because 10% of 27 is 2.70 so add that and u get ur answer

30

Step-by-step explanation:

10% off of 30 is 27.

true statements:

a) x + y = y + x   ⇒ commutative property of addition

b) (x * y) * z = x * (y * z) ⇒ associative property of multiplication

d) (x + y) + z = x + (y + z) ⇒ associative property of addition

false statements:

c) x - y = y - x   should be: x - y = - y + x

e) (x - y) - z = x - (y - z) should be: (x - y) - z = x - (y + z)

step-by-step explanation: