2 years ago

I need help with this

Mathematics

1 answer:

Andre45 [30]2 years ago

4 0

Answer:

3 pairs for the price of two.

Step-by-step explanation:

$10 per pair

3 x 2

then:

3 pairs costs $20

20/3 = $6.6667 each pair

Buy one and get 25% of the second

25% = 25/100 = 0.25

then:

first pair $10

second pair: 10 - (10*0.25) = 10 - 2.5 = $7.5

first + second pair = 10 + 7.5 = 17.5

2 pairs costs $17.5

17.5/2 = $8.75 each pair

then:

the best deal:

3 pairs for the price of two.

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