The cost of an article is decreased by 20% if the original cost is rup

1.	The cost of an article is decreased by 20% if the original cost is rupees 80 find a new cost?
Answer» Answer: please mark me brainlist Step-by-step explanation: decrease%=20% original \: cost \: = ₹ \: 80originalcost=₹80 \begin{GATHERED}decrease \: in \: cost \: = \\ decrease \: \% \: of \: original \: amount\end{gathered}decreaseincost=decrease%oforiginalamount = \geqslant 20 \: \% \: of \: ₹ \: 80=⩾20%of₹80 = \geqslant \frac{20}{100} \times 80 = ₹ \: 16=⩾10020×80=₹16 = \geqslant decrease \: in \: cost = ₹(80 - 16)=⩾decreaseincost=₹(80−16) = \geqslant ₹ \: 64=⩾₹64 \geqslant hence \: verified \leqslant⩾henceverified⩽

The cost of an article is decreased by 20% if the original cost is rupees 80 find a new cost?

Answer»

Answer:

please mark me brainlist

Step-by-step explanation:

decrease%=20%

original \: cost \: = ₹ \: 80originalcost=₹80

\begin{GATHERED}decrease \: in \: cost \: = \\ decrease \: \% \: of \: original \: amount\end{gathered}decreaseincost=decrease%oforiginalamount

= \geqslant 20 \: \% \: of \: ₹ \: 80=⩾20%of₹80

= \geqslant \frac{20}{100} \times 80 = ₹ \: 16=⩾10020×80=₹16

= \geqslant decrease \: in \: cost = ₹(80 - 16)=⩾decreaseincost=₹(80−16)

= \geqslant ₹ \: 64=⩾₹64

\geqslant hence \: verified \leqslant⩾henceverified⩽