Algebra

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

A. 3 + (x-10)=15
C. 3 (x-10) = 15
D. 3 x/10 = 15

Can you please check to see if I'm right? If I'm not explain, please and thank you

1. The product of 3 and the difference of a number and 10 is 15
The product of 3 and the difference of a number and 10 is 15
The product of 3 and (x-10) is 15
The product of 3 and (x-10) = 15
3(x-10) = 15

can you see what I did there ?

posted by Reiny
2. I know that when it says 'is' it's suppose to be an equal sign, but the rest is still kind of confusing. How did you know that when it says "the difference of a number and 10" is (x-10)?

posted by Baby_Banana
3. Difference implies subtraction
product implies multiplication, and
quotient implies division

so "a number" is an unknows
difference between "the unknown" and 10 could have been
x-10 or 10-x, but they didn't show a 10-x

posted by Reiny
4. Ohhhh, I get it now, a little, but nothing like studying that can help me! Thank you very much !

posted by Baby_Banana

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