Question

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

A. 3 + (x-10)=15
B. 3x-10=15 (My answer)
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

Answer 1

The product of 3 and the difference of a number and 10 is 15
The product of 3 and <b>the difference of a number and 10</b> is 15
The product of 3 and (x-10)<b> is</b> 15
The <b>product of 3</b> and (x-10) = 15
3(x-10) = 15

can you see what I did there ?

Answer 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)?

Answer 3

Difference implies subtraction
sum implies addition
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

Answer 4

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