A group of 9 students shared a box of pen. After they had taken 7 pens each, there were 6 pens left. How many pens were at first?
K
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Những câu hỏi liên quan
26 tháng 12 2017
The number of chocolate boxes Mary had at first:
110 + 69 = 179 ( boxes)
The number of chocolates Mary had at first:
179 x 6 = 1074 (chocolates)
Answer: 1074 chocolates
22 tháng 12 2017
Mary had 69 boxes of chocolate left after she had sold 110 boxes. If there were 6 pieces of chocolate in each box, how many pieces of chocolate had she at first? Anwers: 1074
Bài giải chi tiết:
Số hộp sô cô la Mary có lúc đầu là: 69 + 110 = 179 (hộp)
Số miếng sô cô la Mary có lúc đầu là: 179 x 6 = 1074 (miếng)
LD
1 tháng 10 2017
Hãy dùng từ gợi ý viết hoàn chỉnh những câu sau:
1. You / know / who invent / ballpoint pen ?
do you know who invented the ballpoint pen ?
2. When / I / primary school / teacher / make / me / write / fountain-pen.
when i was in primary school, the teacher made me write with fountain-pen
3. At / time / I / prefer / use / ballpoint pen.
at that time, i prefered to use ballpoint pen
4. Ballpoint pens / use / to / very expensive / when / first introduce / Viet Nam.
Ballpoint pens used to be ver expensive when they were first introduced into Vietname
5. Father / say / ballpoint pen / used / cost / some VND.
my father said that a ball point pen used to cost some VND
6. Big / French company / make / ballpoint pens / call / Bic.
the big French company which makes ballpoint pens is called Bic
7. How many / ballpoint pens / produce / world / each year?
how many ballpoint pens are introduced in the world each year?
8. Ballpoint pens / use / widely / than / fountainpens.
Ballpoint pens are used more widely than fountainpens.
9. It / because / they / cheaper / and / convenient.
it's because they are cheaper and more convenient
10. It / advisable / that / children / learn / write / not use / ballpoint pens.
it is advisable that children who are learning to write shouldn't use ballpoint pens.
XD
25 tháng 8 2017
Sap xep tu
1 You/know/who/invent/ballponit pen?
=> Do you know who invented ballpoint pen?
2 WHen/I/primary school/teacher/make/me/wirte/foutanit pen
=> When I was in primary school, the teacher made me write with foutanit pen.
3 How many/ballponit pens/produce/word/each year?
=> How many ballpoint pens are produced by word each year?
4 Ballponitpoint pens/use/widely/than/foutain pens
=> Ballpoint pens are used more widely than foutain pens.
5 It/because/they/cheap/and/convinient
=> It is because they are cheap and convinient.
NQ
4
KC
17 tháng 3 2016
10 studens :
5-3=2 parts
1 part
10:2=5 studens
that class has
5x9=45 studens
answer:45 studens
12 tháng 5 2019
Đáp án D
Kiến thức: Đọc hiểu
Giải thích:
Những bài hát đầu tiên của Beatles
A. là tự viết
C. được trả rất nhiều tiền
B. được phát sóng trên đài
D. được viết bởi người Mỹ da đen
Thông tin: They started by performing and recording songs by black Americans and they had some success with these songs.
Let the number of pens at first be x.
The number of pens that the group of 9 students took is: 9 x 7 = 63
The number of pens left: x - 63 = 6 => x = 69
Thus, at first there were 69 pens.
Một nhóm 9 học sinh dùng chung một hộp bút. Sau khi họ lấy đi mỗi người 7 cái bút thì còn lại 6 cái bút. Hỏi lúc đầu có bao nhiêu cái bút?
Gọi số bút lúc đầu là x.
Số bút mà nhóm 9 học sinh đã lấy là: 9 x 7 = 63
Số bút còn lại: x - 63 = 6
=> x = 69
Do đó, lúc đầu có 69 cái bút.