Câu 6:
4.8l of oil weigh 3.648kg. How many liters of oil are there if they weigh 4.864kg?
Answer: There are  liters
(Write your answer as a decimal in the simplest form)

Câu 7:
Inspecting products of a factory, we find that there are 97 qualified products out of every 100 products on average. What percent of the total products is qualified products?
Answer:  %

Câu 8:
A rectangular field has a width of 24.5m and its area equals the area of a square with the sides of 35m. Find the perimeter of that rectangular field.
Answer: m

Câu 9:
The area of a triangle ABC is , take the point M on BC such that BM=MC and the point N on AC such that AN=NC. Find the area of the triangle AMN.
Answer:  

Câu 10:
A store sold 902kg of rice which is 10.25% of the total amount of rice. How many kilograms of rice were there in that store at first?
Answer: There were  kilograms

1.anh expensive ,/interesting to me ./but I enjoy/living here/because city life/It is/very noisy/is exciting and

2.a lot of '' must ''/and ''must not"/things for her/There were/to do to avoid/accidents.

3.Below/are some/that must observe/of the traffic rules/when she is/in street/

4.She must not/the zebra crossing ./cross a busy street/without usig

5.when/she gets/She must/wear a helmet/a motobike ride.

6.Mai understands/the basic traffic/rules.many road signs/and remembers

7.On the second day ,/round/the ciry./we went/for a tour

8.through Quach Thi Trang/We walked/Square to/Ham Nghi Street.

9.From there/Museum./we walked to/Nha Rong Wharf/to visit Ho Chi 

                                Giúp nha m.n mai nộp rồi ><

1: the perimeter of a circle is 15,7 dm. Its's area is...cm2

2: the ratio of the number of girls to the number of boys in a classroom is 5:4. When 10 girls left the classroom, the ratio of the number of boys to the number of girls became 4:3. How many students were in the classroom at first?

3: 47/250 dm3=...cm3

4: At the party 60% of the boys are dancing with 80% of the girls. How many people are dancing if there are 35 people ( A pair cludes only one boy and one girl)

5: An aquarium is 8dm deep, 12 dm long and 0,3 m wide. What is the volume of the aquarium in cubic centimeter?. Answer: the volume of the aquarium is...cm3