A book was sold for $575 there by gaining 15%. find the cost price of the book.

$661.25

Step-by-step explanation:

x over 575 times 15 over 100

100=86.25

86.25 is the 15% upcharge

so add 86.25 to the original price

so 575 + 86.25

$661.25

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alot

step-by-step explanation:

its a wood chuck that can chuck wood

  y= -3x is the required function.

step-by-step explanation:

we have been given a table:

x             y

0             0

1             -3

3             -9

-2             6

we can see that the values of y is -3 times the value of x

hence, the function would be: y= -3x.

put the values of x will give the same y as in the table that means function is satisfying the given table.