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35 of number a is 18, 25% of which is 25 less than that of number B. what's number B?
According to the meaning of the question, we can get: 18 △ 35 × 25% + 25, = 30 × 25% + 25, = 7.5 + 25, = 32.5
The number of a is 2.5 less than that of B. the number of B is 6 times that of A. the sum of a and B is______ ．
The number a is: 2.5 △ 6-1, = 2.5 △ 5, = 0.5; the number B is: 2.5 + 0.5 = 3, the sum of the two numbers a and B: 0.5 + 3 = 3.5
The sum of number a and number B is 306, and the number a is twice that of number B. the number a is () and the number B is ()
There should be a formula
The sum of a and B is 306, and the number of a is twice that of B. the number of a is (204), and the number of B is (102)
306÷（1+2）=102
102×2=204
The number of a is four times that of B, and the ratio of a to B is four times that of B______ What is the ratio of B to the sum of two numbers______ ．
The ratio of a to B is 4:1; the ratio of B to the sum of a and B is 1: (1 + 4) = 1:5
The number of a is three times that of B. the number of a is a, B and ()%
The number of a is three times that of B
Let B be x and a be 3x
Then the number of a is the sum of a and B
3x/(x+3x)=3/4=3/4*100%=75%
The sum of a and B numbers is 306.9. If the decimal point of a number is known to move one place to the right, it is equal to B number
B is ten times as much as a
9 (10 + 1) = 27. 9
The ratio of number a to number B is 4:7. What is the percentage of number a to number B? What is the percentage of the sum of number a and number B?
A is 4 / 7 × 100% of B = 57.1%
A is 4 / (4 + 7) × 100% = 36.4% of sum
Given that a = 2 × 3 × 5 × a, B = 2 × 3 × 7 × a, the greatest common factor of a and B is 30, find the least common multiple of a and B
Because a = 2 × 3 × 5 × a, B = 2 × 3 × 7 × a, the greatest common factor of a and B is 2 × 3 × a = 30, a = 5, so the least common multiple of a and B is 2 × 3 × 5 × 5 × 7 = 1050
The number of a is x, the number of B is 12 times less than that of A. what is the sum of a and B
A: X
B: 2x-12
x+(2x-12)
=x+2x-12
=3x-12
The number of a is 5 less than that of B. let B be x, a be (), and the sum of a and B be ()
Let B be x, a be (X-5), and the sum of a and B be (2x-5)
RELATED INFORMATIONS
- 1. The number of a is three times more than that of B. the number of B is X. The sum of a and B is 10. How much is the number of B ten·
- 2. It is known that X-Y is directly proportional to x + y, the scale coefficient is k, y is inversely proportional to 1 / x, and the scale coefficient is K + 1, then k =? For detailed explanation
- 3. Simplification of (X-5) (- X-5) with square difference formula －(x－5)(x＋5) What is the basis of this step,
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- 5. Give three monomials: the square of a, the square of B, 2Ab. When a = 2013, B = 2012, find the value of the algebraic formula: the square of a + the square of b-2ab
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- 7. If a is an integer, then () a. The square of 1 / a b.1/2a C.1 / 2 * a D.1 / A-1 Please give reasons.
- 8. When a = - 1 / 2, find the value of the algebraic formula (A-A / A + 1) divided by a ^ 2-2a / A ^ 2-4 multiplied by 1 / A + 2
- 9. What number is k equal to? The value of algebraic formula 4 / 1K + 5de is twice the value of 3 / K-8
- 10. If the value of the algebraic expression 3 / 4-2k is 0, then what is k?
- 11. The number a is a, which is three times less than the number B. the formula for the number B is () A. 3a-bB. a÷3-bC. （ a+b ）÷3D. （ a-b ）÷3
- 12. Number a is 120, 25% more than number B, and number B is 120___ ．
- 13. Number a is three times of number B. what is the ratio of number a to number B and what is the ratio?
- 14. Add a to the product of a number and its reciprocal to get 4 / 5 of 7, and find the reciprocal of A
- 15. What's the reciprocal of 1 and 5 out of 12?
- 16. a. If B is reciprocal to each other, then one-third AB + one-half AB is equal to B
- 17. If the reciprocal of 3 / 3 of a and 2a-9 of 3 are opposite to each other, then the value of a is () A. 3 / 2 b. - 3 / 2 C.3 D.2
- 18. If a product of a number and its reciprocal A is equal to 2 / 13, what is the value of a? It's not a, it's a times
- 19. What is the product of the reciprocal of the largest one digit and the smallest prime?
- 20. (1) What is the product of the reciprocal of 2 / 3 and the reciprocal of 4? (2) the reciprocal of a number is 9 / 8, what is the product of 3 / 4 of this number?