alexoldroyd16
alexoldroyd16 alexoldroyd16
  • 14-04-2021
  • Mathematics
contestada

In a sale the normal price of a book is reduced by 30% what singles number must be i multiple by to reduce something by 30%


I need help

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chishimbachileshe37
chishimbachileshe37 chishimbachileshe37
  • 14-04-2021

Step-by-step explanation:

This means the price of the book will decrease by 100%-30%=70%

70% decrease in x = 100% of x - 70% of x = 1x - 0.7x = (1 - 0.7)x = 0.3x So 0.3x represents a 70% decrease in x.

Notice that this multiplier .3 is the same as (30% of x).

the answer is 0.3.

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