Penny has 25 books in her library.

There are 81 oak trees currently in the city park.

Amy had 115 dollars to spend on 7 books.

The sum of two consecutive numbers is 23. Find the small number.

The sum of three consecutive numbers is 45. Find the larger number

The length of a rectangle is 5 m more than its width.

In a class of 35 students, the number of boys is 5 more than the girls. Find the number of girls in the class.

Jack is 4 years older than his younger sister. After 7 years, the sum of their ages will be 34 years. What is Jack's present age?

My mother is 15 years more than twice my age. The sum of our ages is 54. What is my mother's age?

In an isosceles triangle, the base angles are equal and the vertex angle is 50°. Find the measure of the base angles.

The cost of a jacket is $ 20 more than the cost of a shirt. If the cost of 3 shirts and one jacket is $80, find the cost of a jacket.

When 3 is subtracted from a number and then multiplied by 2, the answer is 26. What is the number?

The length of a rectangle is twice that of the width. The perimeter of the rectangle is 36 cm. What is the width of the rectangle?

Tim and Tom decided to share 28 candies. Tim took three times as many as Tom. How many candies did Tim receive?

Tom is 5 years younger than his brother and his father is 33 years older than him. If the total of their ages is 74 years, what is Tom’s age?