Which equation matches the statement ñthe product of 3 and the difference of a number and 10 is 15? "

a) 3 + (x _ 10) = 15
b) 3x _ 10 = 15
c) 3 (x _ 10) = 15
b) 3x/10 = 15
: -) btw!

Go by parts:

the product of 3 and the difference of a number and 10

   -> the difference of a number and 10: x - 10
   -> the product of 3 and the amount written above: 3(x - 10)

... matches 15

   -> 3(x - 10) = 15

That is option C.

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