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Three fifths of number a is equal to two thirds of number B. number a is 60. What's number B
B number
=60 × 3 / 5 ／ 2 / 3
=36 × 3 / 2
=54
Party A and Party B have several books. It is known that Party A accounts for 3 / 7 of the total number of books. If Party B gives Party A 30 books, the number of books of both parties is equal. How many books did Party A and Party B have
Because a accounts for 3 / 7 of the total number of books, if B gives a 30 books, the number of books of the two people is equal. So 1 / 2-3 / 7 = 1 / 14 let a and B share x books. 1 / 14x = 30 x = 14 * 30 x = 420 (Books) 420 * 3 / 7 = 180 (Books) 420-180 = 240 (Books) answer: B originally had 240 books, a originally had 180 books
Party A and Party B have several books in total. It is known that the ratio of Party A to the total number of books is 3:7. If Party B gives Party A 15 books, the number of books of both parties is equal. How many books did Party A and Party B have?
The total number of books: 15 △ 12-37, = 15 △ 114, = 210 (Books); a: 210 × 37 = 90 (Books); B: 210-90 = 120 (Books); answer: a originally had 90 books, B had 120
There are 280 books in class A and class B. if class A gives class B 30 books, the number of books in class B is three times that of class A
How many books did class A and class B have
280 (3 + 1) = 70
A: 70 + 30 = 100 copies
B: 280-100 = 180 copies
A: it turns out that Party A has 100 books and Party B has 180 books
RELATED INFORMATIONS
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