What is the percent decrease of 84 seconds to 8 seconds? (i'm bad at percents! ) d:

Decreased percentage 90.47%

Step-by-step explanation:

Given  : decrease of 84 seconds to 8 seconds

To find : percentage

Solution : We have given

Initial value : 84 second

Final value :  8 seconds.

Decreased value : 84 -8

Decreased value :  76 .

Decreased percentage : .

Plugging the values.

Decreased percentage : .

90.47%

Therefore, Decreased percentage 90.47%

step-by-step explanation: you take each of the numbers and divide by the amount then you take the range

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.