Math, asked by Hiya2010, 1 month ago

A horse and a cart together cost * 1600. If the cost of the cart was one-third of the cost of the horse, what did the horse cost?

please explain the ans
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Answers

Answered by Cobycat
2

Step-by-step explanation:

A person bought a horse and a carriage for Rs. 20,000. Later, he sold the horse at 20% profit and the carriage at 10% loss. Thus, he gained 2% in the whole transaction. The cost price of the horse was?

Let the cost of horse be Rs 100X

Cost of carriage = Rs ( 20,000 -100X )

Sale of horse = Rs 120X

Sale of carriage = Rs ( 0.9 (20,000 -100X ))= 18000- 90X

Total sale value = 120X + 18000–90X = 18000+30X

At 2% gain , total sale value has to be Rs 20,400

18000 +30X = 20,400

30X = 2400

X = 80

cost of horse = Rs 8000 ANSWER

Answered by Anonymous
22

⠀⠀❝Given that, A horse and a cart together cost 1600. & the cost of the cart was one-third of the cost of the horse. ❞

 \bullet \:  \:  \underline{ \pmb{ \frak{Need  \: to \:  find:} }}   \:  \sf{Cost \:  of  \: the  \: horse?}  \\  \\

A S S U M P T I O N S :

• Let the cost of cart be y & Let the cost of horse is x RS.

⠀⠀━━━━━━━━━━━━━━━━━━━━━━━━━━

⠀⠀⠀

✇ x + y = 1600 ..[Eq - 1]

✇ y = x × 1/3 i.e x/3 ..[Eq - 2]

⠀⠀⠀

\bullet \:  \:  \underline{ \pmb{ \frak{Substituting \ the \ value  \ of \  \sf{ y} \ in \  Equation \ 1} }}   \\  \\

\twoheadrightarrow  \sf x +  \dfrac{x}{3}  = 1600 \\  \\  \\ \twoheadrightarrow  \sf  \dfrac{x + 3x}{3}  = 1600\\  \\  \\ \twoheadrightarrow  \sf \dfrac{4x}{3}  = 1600\\  \\  \\ \twoheadrightarrow  \sf x =  \cancel{\dfrac{4800}{4} } \\  \\  \\ \twoheadrightarrow  \sf  \boxed{\pmb{  \mathfrak{x = 1200}}}

⠀⠀⠀

Therefore,

  • x = 1200
  • y = x/3 i.e 1200/3 = 400.

⠀⠀⠀

\therefore{\sf{\underline{ Thus, The \ cost \ of \ horse \:  is \:  \pmb{\bf{1200}}  \: \&  \: cost  \: of \:  cart \:  is \:  \pmb{\bf{400}.}}}}

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