The total cost of 12 apples and 8 guavas is rs. 76 and the total cost of 8 apples and 12 guavas is rs. 64. What will be the ratio of thier ages ?
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Answer:
12 8 =76. 8 12. =64
3x 2y =19. 2x. 3y = 16
6x+4y =38.
6x+9y=48
__________
-5y=-10
y=2 apple
x=5 guava
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