Một cặp gồm một nam và một nữ mà 60% số nữ này nhảy cùng với 80% số nam nên 60% số nữ bằng 80% số nam :
Vậy tỉ số giữa nam và nữ là :
60 : 80 = 3/4
Tổng số nữ và nam bằng 35
Tổng số phần bằng nhau là :
3 + 4 = 7 ( phần )
35 : 7 x 3 = 15
Vậy số người đang nhảy là :
15 + 15 = 30 ( người )
ĐS : ......
At a 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)
Answer:
.......... people are dancing.
At a 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)
At a 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)
Answer:
.......... people are dancing.
dịch ra tiếng việt dùm luôn dịch đúng nha dịch đúng tick 3
At a party, 60% of the boys are dancing with 90% of the girls. How many people are dancing if there are 50 people? ( A pair includes only one boy and one girl)
At a 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)
Answer:people are dancing. mà nhân tiện mình hỏi có giải violympic toán tiếng anh cấp tỉnh chưa vậy
At a party 60% of the boys are dancing with 80% of the girls.how many people are dancing if there are 35 people?(Apair cludes onky one boy and girl)
nhớ ghi cách giải giúp mình nha !
At the party 60% of the boy are dancing with 90% of the girl.How many people are dancing if there are 50 people ? (A pair includes only one boy and one girl).
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
At a party 60% of the boys are dancing with 80% of the girls.How many people are dancing if there are 35 people?
