3 years ago

A television regularly selling for $500 is marked down to $300.

1 answer:

3 0

He saves $200 (the amount of change over the original amount $500

200/500 = 2/5 and 2/5 = 40% (divide 2 by 5 and get .4 which = 40%)

40% discount is the answer to your question

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umka21 [38]

The answer is B I believe

4 0

2 years ago

Factor completely 5x2 − 50x + 120.

BartSMP [9]

Answer:

Step-by-step explanation:

$\bold{Q1}\\\\5x^2-50x+120=5(x^2-10x+24)=5(x^2-6x-4x+24)\\\\=5\bigg(x(x-6)-4(x-6)\bigg)=5(x-6)(x-4)\\\\\bold{Q2}\\\\64x^2-1=(8x)^2-1^2=(8x-1)(8x+1)\\\\\text{Used}\ a^2-b^2=(a-b)(a+b)$