in a class A of 160 students, the ratio of boys to girls is 3 to 5.in the class B, the ratio of boys to girls is 3 to 2. when the to classes are combined, the ratio of boy to girls is 1 to 1. how many students are there in the class B
Nam My primary school has 398 boys and 325 girls .
How many students are there in Nam My primary school .
Answer : There are ..............................students in Nam My primary school .
Of the 48 students, 21 are grils. How many more boys are there than girls?
Trong 48 học sinh, có 21 hs là nữ. Hỏi có bao nhiêu hs nam?
Câu 8:
There are 1230 bottles in a factory. 289 of them are red. There are 259 more blue bottles than red bottles. The rest are purple bottles. How many purple bottles are there in the factory?
Answer: There are ...... purple bottles.
Câu 9:
Mark has 68 more books than Michael. Tom has 21 fewer books than Mark. They have 865 books in all. How many books does Mark have?
Answer: Mark has..... books.
Câu 10:
Anna spent 472 dollars on food, 89 dollars on bus fares and saved 302 dollars. Tom had the same amount of money as Anna but he saved 38 more dollars than Anna. How much did he spend in all?
Answer: He spent ....... dollars.
A shool has 24 classes and there are 40 students in each class. 1/8 of the students wear glasses and 1/12 of those who wear glasses are boys. How many schoolgirls wear glasses in the schoool?
help me!
Class 4A has 45 students, class 4B has 42 students. How many students are there in whole classes
-> There are .............. students
Write the words in number form which consist of: 7 hundred thousands, 6 thousands, 3 hundreds, 4 tens and 2 units.
Answer:
Câu 2:
Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
897; ; 899
Câu 3:
Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
; 87; 88
Câu 4:
How many single digit numbers are there?
Answer: numbers.
Câu 5:
6 is just after of 5 and 5 is just before of 6. What is the product of just after and just before of 10?
Answer:
Câu 6:
Jean has 3014 beads. She has 497 beads less than Gillian. How many beads do they have altogether?
Answer: They have beads altogether.
Câu 7:
There are 56 apples in a basket. of them are green and the rest are red. How many red apples are there?
Answer: There are red apples.
Câu 8:
The perimeter of a square garden is 36m. What is its area?
Answer: Its area is .
Câu 9:
248 boys and 418 girls were divided into groups of 9. How many groups were there altogether?
Answer: groups.
Câu 10:
Mr Junior bought 1 magazine, 1 book and 1 pen. The pen costs 5 dollar, the book costs 31 dollar more than the pen. The magazine costs twice as much as the book. How much did he spend on the three things?
Answer: He spent dollar.
\(\frac{3}{5}\)of the children in a choir aregirls . if the choir has 12 boys, how may more girls then boys will be there
there are k student in a class, only one of whom is a junior. If 5 seniors are added to the class, how many students in the class will not be juniors? có lời giải đầy đủ nhé