Question

Define a variable. Then write the phrase as an algebraic expression.
The cost of a pair of shoes is 6 times the cost of a book.

Answer 1

Answer:

Variables. In algebraic expressions, letters represent variables. These letters are actually numbers in disguise. In this expression, the variables are x and y. We call these letters "variables" because the numbers they represent can vary—that is, we can substitute one or more numbers for the letters in the expression.

Answer 2

Answer:

1)Variable is An english Alphabet with the number Which Acctualy

represents a Number For Example 2a we know that 2 is a number but what is a?If a is 2 then answer is 2x2=4 And it Varies

2)Let shoe be x

Let Book be y

so cost of shoe is 6y

x=6y