Benjamin solved the equation 3+x over 2=10 and justified each step as shown.

Identify Benjamin's error and fix his mistake.

Step: Justification:

Alicia drives to work at a speed of 45 miles per hour. It takes her about 2 hours and 15 minutes to get to work. If gas costs $2.75 per gallon and Alicia's car gets 25 miles per gallon, about how much does Alicia spend on gas to get to work? A - $11.

A cylinder has a volume of 225π inches3. What is its height, if its radius is 10 inches? A) 2.25 inches B) 22.5 inches C) 2.25 π inches D) 0.716 inches

Sian is twice as old as her sister Abigail. They divide 30 pounds in the ratio of their ages. How much do Sian and Abigail receive?

What is the answer to - 5+16/5?

How are a square and a rectangle alike and different?

6 yards to 36 yards. Find the percent of change. Round to the nearest tenth of a percent if necessary.

Mark, evan, and cayla are playing a game. there are 3 blue marbles, 2 red, and 1 green marble. if mark pulls a blue marble he gets $1. if evan pulls a red marble, he gets a $2. if cayla pulls a green marble, she gets $3.

How do you reduce 12/30 by 1/2

Maria's age of 17 years less than Orlando's age. The sum of their ages is 33 find their ages.

John had $21 to spend on 2 notebooks. After buying them he had $13. How much did each notebook cost?