1. Which of the following is the correct sequence in solving problems involving linear equation

in two variables?

I.

Read and understand the problem

II.

Translate the problem into an equation in two variables

III.

Find the solution using the formulated equation

IV.

Check the solution obtained by substituting the solution/s to the original

equations

A. I, II, III, IV

B. I, III, II, IV

C. I, III, IV, II

D. II, I, III, IV

For item numbers 2 to 4, refer to the situation below.

Suppose a survey is made on the number of people infected by the Corona Virus Disease-

2019 (COVID-19) from February 2020 to June 2020. The result was tallied and it was observed

to increase at a constant rate as shown in the table below.

Month

February

March April May June

Number of people infected by the Coronavirus

Disease 2019 (COVID-19)

20

28

36

44

52

2. What is the equation that would represent the situation?

A. = −8 + 20

B. = −8 + 12

C. = 8 + 20

D. = 8 + 12

3. If the pattern continues, can you predict the number of infected people by the month of

August 2020?

A. Yes, the number of infected people by the month of August 2020 is 68.

B. Yes, the number of infected people by the month of August 2020 is 76.

C. No, because it is not stipulated in the problem.

D. No, because the data is insufficient.

4. How many people will be infected by Coronavirus Disease 2019 (COVID-19) in the

month of July?

A. 58

B. 60

C. 68

D. 72​