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  • Total sunrays received in 1 minute = 3600 units. The amount of Alpha rays received in 2 minutes is how many more/less than the amount of radio saves received in 4 minutes?

Total sunrays received in 1 minute = 3600 units.

Assume: Alpha rays make up 20% of the sunrays, Radio waves make up 10% of the sunrays.

The amount of Alpha rays received in 2 minutes is how many more/less than the amount of radio waves received in 4 minutes?

Answers (1)

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Total sunrays-

  • In 1 minute = 3600 units
  • In 2 minutes = 3600 × 2 = 7200 units
  • In 4 minutes = 3600 × 4 = 14,400 units

Alpha rays (20% of sunrays): In 2 minutes = 20% of 7200 = (20/100) × 7200 = 1440 units

Radio waves (10% of sunrays): In 4 minutes = 10% of 14,400 = (10/100) × 14,400 = 1440 units

Difference = 1440 - 1440 = 0 units

Posted by

Saniya Khatri

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