Math, asked by farhat8278, 20 days ago

direct proportion
formula x1/x2=y1/y2

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Answered by swastik3753

0

Answer:

50g:$2.10 : : 380g : x

50/2.10 = 380/x

50×x = 380×2.10

50x = 798

x= 798/50

x= 15.96

2nd

3/4:15::2/5:x

3/4×1/15=2/5×1/x

1/20=2/5x

5x=20×2

x=40/5=8

x=8kg

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