Ex 11.1, 4 A machine in a soft drink factory fills 840 bottles in six hours. How many bottles will it fill in five hours?Given,
840 bottles are filled in 6 hours.
Let x bottles be filled in 5 hours.
Thus, our table looks like
As number of bottles increases,
the time taken to fill the bottles also increases.
∴ Number of bottles and time are in direct proportion.
𝟖𝟒𝟎/𝟔 = 𝒙/𝟓
840/6 × 5 = 𝑥
140 × 5 = 𝑥
700 = 𝑥
𝑥 = 700
∴ 700 bottles are filled in 5 hours

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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