Tony bought a $48 sweatshirt and used a coupon for a 10% discount. keith bought an identical sweatshirt at a different store for $42.95. which statement is true?

a. tony paid $0.25 less than keith paid.
b. tony paid $4.95 less than keith paid.
c. keith paid $0.25 less than tony paid.
d. keith paid $4.95 less than tony paid.

answer now

➷ final = original x multiplier

final = 48 x 0.9

final = 43.2

Tony paid $43.20

Subtract the two values:

43.2 - 42.95 = 0.25

Therefore, the correct option would be C. Keith paid $0.25 less than Tony paid

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↬ ʜᴀɴɴᴀʜ ♡

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c