17, 19. 17, 19.

11, 17, 19.

Question 3.

(6 points)

The start date of application of the new electricity retail prices posed

by EVN was March 20, 2019.

Rate 1: from 0 to 50 kWh, the price of 1 kWh is 1 678 VND

Rate 2: from 51 to 100kWh, the price of 1 kWh is 1 734 VND

Rate 3: from 101 to 200kWh, the price of 1 kWh is 2 014 VND

Rate 4: from 201 to 300kWh, the price of 1 kWh is 2 536 VND

Rate 5: from 301 to 400kWh, the price of 1 kWh is 2 834 VND

Rate 6: from 401kWh or more, the price of 1 kWh is 2 927 VND

a. In May 2019, the total energy consumption of Binh’s family was 49kWh. In May, how

much did Binh have to pay for electricity?

b. Also in May, Chau had to pay 327 818VND more than Binh did for electricity. Knowing

that the electricity consumption of Chau’s family was over Rate 3. What was the electricity

consumption of Chau’s family in May?

Your calulations:

...

...

Results: a. b.

Question 4. (6 points)

The World Water Day (March 22, 2019) aims to address the water crisis to

the public by giving the reason why so many people do not have clean water. Specific goals of

the 2019 World Water Day Theme include: “...Water for women; Water for work and production;

Water for rural areas; Water for mothers; Water for children; Water for students; minorities;

Water for people with disabilities ...”

(Extracted from www.worldwaterday.org)

From the information above, write a slogan (between 5 and 15 words) that matches the 2019

World Water Day Theme.

Question 5.

(6 points)

The odd numbers 1, 3, 5, 7, ..., 2019 are filled in the four columns of the

following table. Which column is 2019 in?

A B C D 1 3 5 7 9 11 13 15 17 19 .. .. .. .. .. .. … Column _________

Question 6.

(6 points)

There are the names of 6 animals hidden in the following word chart in

either vertical, horizontal or diagonal lines. Find these animals and write their names down.

A S K U N T D X E T G Y