camiyah167
camiyah167 camiyah167
  • 02-02-2022
  • Mathematics
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I need help with this math problem. '-'

(math)

(Give explanation if you can)

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I need help with this math problem math Give explanation if you can Thanks class=

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LammettHash
LammettHash LammettHash
  • 02-02-2022

60% of a number is 6 times 10% of that number.

10% of 82 = 8.2

(just move the decimal point one position to the left)

Then

60% of 82 = 6 × (10% of 82) = 6 × 8.2 = 49.2

since

6 × 8.2 = 6 × (8 + 0.2)

… = 6 × 8 + 6 × 0.2

… = 48 + 1.2

… = 49.2

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