Afood company reduced the amount of salt in one of their food products from 700
milligrams to 630 milligrams. what is the percent decrease in the amount of salt in this food
product?
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10%
12%
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70%
0
90%
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solution:

the given function is ,

      =

the three roots of this quadratic function is , 0 ,8 and 10.all the roots are real and rational.

if a quadratic equation is of the form ,

sum of the roots = a + b +c= 0+8+10=18=  

product of roots taken two at a time = a b + b c+ c a = 0+80+0=80 =  

product of roots = a b c = 0=  

there are 11 doors in a hall starting from 0 to 11.the entry in the hall is permitted through gate number 0 and exit is allowed through only gate number 8 and 10.so, three roots(0,8,10) of quadratic function is given by entry and exit route of this hall.

pls refer ro the top for answer

answer: 1+1

step-by-step explanation: 1+1 is at least 2