Astudent wants to reduce the size of an article he found in a newspaper. the original article was 12 cm wide. he needs to reduce it so its width measures 9cm. on the copier, what percent setting should he can use to make a copy this size? i use time4 learning homeschool website, and it used incorrect wording, which might confuse you, but this is exactly how the question is stated. !

the answer is 90% and i use Time4learning as well so i know how it feels when no one is around to help but the answer is 90% hope it helps.

Step-by-step explanation:

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

step-by-step explanation: 2