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I need help with this math problem. '-'

(math)

(Give explanation if you can)

(Thanks)

I need help with this math problem. '-' (math) (Give explanation if you can) (Thanks-example-1
User Gish
by
8.8k points

1 Answer

3 votes

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

User Ultimation
by
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