Question

If 4 students share a 30 square foot wall equally, how many square feet of the wall will be painted by each student?

Answer 1

Hint: To solve the given question, write all the data and compare the data given with respect to the term asked and hence in the given question we can see that 30 square foot wall is painted equally by 4 students i.e., we can solve by considering 30 square foot wall with respect to number of students i.e., 4. Hence by this we can obtain the square feet of wall each student has painted.

Complete step-by-step solution:
Let us write the given data:
4 students share a 30 square foot wall equally, hence to find the square foot of each student is
\[\dfrac{{30f{t^2}}}{4} = 7.5f{t^2}/student\]

Therefore, each student paints \[7.5f{t^2}\] of the wall.

Additional information: A rate is a ratio between two related quantities as a rate of change. If the unit or quantity in respect of which something is changing is not specified, usually the rate is per unit of time. However, a rate of change can be specified per unit of time, or per unit of length or mass or another quantity.

Where one quantity tells how much quantity in one unit. The quantity may be anything. The rate is nothing but the ratio between two quantities. Unit Rate: Comparison or ratio between two different quantities with different units.

Note: The key point to solve these types of unit rate sums is that comparing the data with respect to the terms asked i.e., while solving the given question we need to consider the total square feet of the wall and the total number of students, hence by this we can have find out the square feet of each student how much they have painted the wall.