Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
The ratio of red cars to black cars in a parking lot is 3 : 4. If there are 9 red cars, how many black cars are there?
Translate : Tỉ số của số xe ô tô đỏ và ô tô đen là : 3:4 . Nếu có 9 ô tô đỏ thì có mấy ô tô đen ?
Solution :
The number of black cars is : (Số ô tô đen là:)
\(9\div3\times4=12\)
Answer (Đáp số) : 12
1. Tony had a terrible headache yesterday morning.
2. Don't go straight ahead when the traffics lights turn red.
TL
1. Tony had a terrible headache yesterday morning.
2. Don't go straight ahead when the traffics lights turn red.
NHA BN
HT
1 Tony had a terrible headache yesterday morning
2 Don't go straight when the traffic lights turn red ahead
꧁༺๖ۣ๖ۣۜSkyღ๖ۣۜlạnh☯๖ۣۜlùngɠɠ༻꧂
Exam number 1: Đi tìm kho báu
Question 1: There are 40 students in Mrs. Brown's class. 25% of her students received a B on the test. How many students received a B?
\(a\) 10 b. 12 c. 18 d. 20
Question 2: What is the product of 3.05 and 2.8?
\(a\) 8.54 b. 8.056 c. 8.56 d. 8.054
Question 3: A clothing shop is having a 40% off sale. How much would Jane have to pay for a $30 sweater with a 40% discount?
\(a\) $18 b. $20 c. $50 d. $13
Question 4: If a pen costs $1.75 and an eraser costs $0.85, which of the following is the cost of 10 erasers and 5 pens?
a. $21.75 b.$26 c. $18.75 \(d\)$17.25
Question 5: If the area of the rectangle ABCD is 60cm2 then the area of the trapezoid MNCD is ..........cm2.
a. 48 \(b\) 50 c. 45 d. 54
Exam number 2: Tìm cặp bằng nhau
Exam number 3: Fill in the blank with the suitable number
Question 1: 54
Question 2: 147
Question 3: 705
Question 4: 25
Question 5: 20
Question 6: 9
Question 7: 9
Question 8: 19
Question 9: 6
Question 10: 18
Tony has Maths three times a week
Tony and Tom listen to music twice a week
I have English four times a week .
What is your favourite lesson ?
( Còn lại tự làm nhé ! )
Complete the sentences
Tony has Maths three times a week.
Tony and Tom have Music twice a week.( hoặc Tony and Tom have Music twice a week.) nếu Music viết hoa thì câu đầu đúng, nếu ko thì câu thứ 2 đúng.
Put the word in ored
I have English fourtimes a week.
What is your favourite lesson?
I have Maths and Music every shoolday.
I go to school every day except Sunday.
How often does he have Physical Education?
Đề bài ?????????????????????????????????????????????????????????????????????????????????????????????
Tony has 28 marbles, because 70% of 40 is 28
\(\dfrac{40}{70}\times100=28\left(marbles\right)\)
The number of red marbles that Tony has is:
40 : 70 x 100 = 28 ( marbles )
Answer: 28 marbles