Mrs. zamir wants to buy 8 protractors and some erasers for her classroom. she has $30.00. if protractors cost $2.65 each, how much will mrs. zamir have left to buy eraser? ?

Mrs. Zamir has left to buy eraser.

Further explanation :

Multiplication is a mathematical operation such that two real numbers are performed in such a way that they derive a third number called product.

For example:

There are two numbers then multiply both the numbers as,

Therefore, 20 is the product of 4 and 5.

It is given that Mrs. Zamir wants to buy 8 protractors and some erasers for her classroom.

She has total .

If the price of the protractor is each.

Therefore, she spends total amount of money  on protractor can be calculated by multiplying 8 protractors by 2.65 as,

Thus, she spends on protractors.

Now, she has total and she spends on protractors.

Therefore, she left with the amount as,

Therefore, she has amount left for eraser.

Learn more :

1. Problem on the whole numbers are positive integers .

2. Problem on the adding and simplifying the numbers .

3. Problem on the general form of the equation of the circle .

Answer details:

Grade: Junior school

Subject: Mathematics

Chapter: Multiplication and division

Keywords: Mrs. Zamir, protractors, erasers, cost, multiplication, division, addition, subtraction, real numbers, decimal numbers.