Peter babysits his sister on Monday and Friday. He babysits for his neighbor 40% of the days Monday through Friday. He babysits for his sister and his neighbor on different days. On the weekend, Peter babysits 50% of the days. How many days does Peter babysit each week?

3 days of the week.

Step-by-step explanation:

Well they removed my answer even though it was correct.

Monday - Friday = 5 days. If you divided 40 by 100 you get .40 which is forty percent in decimal form. 5 * .40 = 2 days.

Weekend is 2 days. If you divide 50 by 100 you .50 which is fifty percent in decimal form. 2 * .50 = 1 day.

Thus he babysat on 3 days of the week.

your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to