Represent the following sentence as an algebraic expression, where "a number" is the letter x. 8 is decreased by a number.

Given, a number is x.

The question says 8 is decreased by a number. So which is x.

Decreased by here means subtracting "a number" from the "other number".

According to the question, the algebraic expression will be given by-

8-x

Regards!

answer: the answer is one of

step-by-step explanation:   we are given to write a proper fraction where the whole is divided into an even number of equal parts less than ten, and an odd number of those parts exist.

an even number less than 10 may be one of 2, 4, 6 or 8. so, the whole may be one of these four evens.

now, an odd number of these parts must exist, so the numerator must be an odd number, one of 1, 3, 5 or 7. it cannot be 9 because then the fraction will become improper.

thus, our fraction may be one of the following