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Does anyone know how to solve this?
Shop A has 156kg of rice. Shop B has 72kg of rice. After both shops sold an equal amount of rice, the ratio of rice that Shop A has to Shop B is 4:1. Find the amount of rice sold by the shops?
5 Answers
- mbdwyLv 51 decade agoFavourite answer
suppose the sold =S
so the remain in A = 156 -S
the remain in B = 72 -S
(156-S)/(72-S)=4/1
156-S =4(72-S) =288 -4S
3S=288-156 =132
S=44
so every shop sold 44 Kg
- 1 decade ago
Let the amount of rice sold by both shops be x kg.
(156-x) / (72-x) = 4/1
156 - x = 4(72-x)
156 -x = 288 - 4x
4x - x = 288 - 156
3x = 132
x = 132/3 = 44
44 kg of rice was sold by each shop.
- MadhukarLv 71 decade ago
Let x = kg of rice sold by both.
=> (156 - x) / (72 - x) = 4
=> 156 - x = 288 - 4x
=> 3x = 132
=> x = 44 kg.
Verification:
Shop A will be left with 156 - 44 = 112 kg
Shop B will be left with 72 - 44 = 28 kg
!!2 / 28 = 4.
- 1 decade ago
let x = amount of rice sold
156- x = left rice for shop A
72- x = left rice for shop B
156-x : 72 - x = 4 : 1
4(72 - x) = 1 (156 - x)
288 - 4x = 156 - x
3x = 132
x = 44 kgs
- 1 decade ago
let amount of rice sold be x
(156-x)/(72-x)=4/1
(156-x)=4(72-x)
156-x = 288-4x
3x= 132
x=44
both shops sold 44kg of rice
