3 years ago

The 20% discount on a 55$ sweatshirt

Mathematics

2 answers:

alexdok [17]3 years ago

8 0

I’m definitely not wasting money

exis [7]3 years ago

8 0

20% of 55 is (20x55) / 100
so 1100/100= 11$

the discount is worth 11$ and to find the final price, you substract it from 55$ so:
55-11= 44$

Best of luck :)

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gladu [14]

Answer:

a = 1, b = 2, c = 3

Step-by-step explanation:

$a + \frac{1}{b + \frac{1}{c} } = \frac{10}{7} \\ \\ a + \frac{1}{b + \frac{1}{c} } = 1 + \frac{3}{7} \\ \\ a + \frac{1}{b + \frac{1}{c} } = 1 + \frac{1}{\frac{7}{3} } \\ \\ a + \frac{1}{b + \frac{1}{c} } = 1 + \frac{1}{2 + \frac{1}{3} } \\ \\ equating \: like \: terms \: on \: both \: sides \\ \\ a = 1 \\ \\ b = 2 \\ \\ c = 3$