Formula which help to determine the amount can be saved by buying two pairs of socks on sale is equals to [tex]C= 2(R - S)[/tex].
What is sale?
" Sale is defined as the amount to be paid after deducting discount as per the given condition while buying certain product."
Formula used
Cost saving = Regular price - Sale price
According to the question,
Given,
Sale price per pair[tex]= S[/tex]
⇒ sale price for [tex]2[/tex] pairs [tex]= 2S[/tex]
Regular price per pair[tex]= R[/tex]
⇒ Regular price for [tex]2[/tex] pair[tex]= 2R[/tex]
Cost savings [tex]= C[/tex]
Substitute the value in the formula of cost saving we get,
[tex]C = 2R - 2S[/tex]
[tex]= 2(R-S)[/tex]
Hence, formula which help to determine the amount can be saved by buying two pairs of socks on sale is equals to [tex]C= 2(R - S)[/tex].
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