Iris paid $120.00 for a winter coat. She saved 25% off the original price.
What was the original price of the coat?

120/100=1% of price after some discount

1%=1,2

1,2×125=150 it is originall price

$160, or answer A

Step-by-step explanation:

If 120 is 25% of the original, or 0.25 of the original(We will call it x), then 120 is 0.75x.

Form an equation like this:  0.75x=120

Turn this into fractions:  3/4x=120/1.

Divide by 3/4 on both sides.

x = 120/1 * 4/3

Simplify to get: 40/1 * 4/1

Multiply to get: 160

(n^3 - n)

= n(n-1)(n+1)

since it is divisible by 3 and 2 ,because it is a multiple 3 consecutive number

if, n-1 is odd then n+1 is also odd, then it is a multiple of 9

but if, n-1 is even then n+1 is also even, then it is a multiple of 4

so, largest multiple = max(9*2, 4*3) = max(18, 12) = 18

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step-by-step explanation:

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