Anumber is a/ while a numeral is a/

A number is an abstract concept while a numeral is a symbol used to express that number.

Step-by-step explanation:

I've always learned that the difference between 'number' and 'numeral' was that number is the idea and numeral is the representation.

Source: Google & Math Class

hopefully my answer helps you!

replace   with   27   and simplify.

10 , 27 , 10 , 70 , 10 , 35 , 10 , 48

step-by-step explanation:

twenty-six miles over two gallons because the proportion for the original 13 miles to one gallon would be written 13/1 and, doing the same thing to the top and bottom, i multiplied by 2 and got 26/2