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  • 16-04-2017
  • Mathematics
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in 2 days 20 hours a watch gains 20 seconds find how much time the watch will take to gain 35 seconds

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shockwave89
shockwave89 shockwave89
  • 16-04-2017
→ Chapter : Ratio ←
≡ We know that:
⇔ 2 days 20 hours = 68 hours → Gain 20 seconds
⇔ N → Gain 35 seconds

≡ Solution:
⇒ [tex] \frac{68}{N}=\frac{20}{35} [/tex]
⇒ [tex]N=\frac{(68).(35)}{20}[/tex]
⇒ [tex]N=\boxed{119}Hours=\boxed{4}Days\boxed{23}Hours[/tex]
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