A divided by B is equal to the reciprocal of a multiplied by B, Do you want to emphasize except 0

A divided by B is equal to the reciprocal of a multiplied by B, Do you want to emphasize except 0

Well, you're right! Except for 0, because the divisor can't be equal to 0

The sum of a and B is 115. Three fourths of a is equal to two fifths of A. what are a and B

A: B = 2 / 5:3 / 4 = 8:15
115×8÷(8+15)=40
115×15÷(8+15)=75
A: a 40, B 75

The sum of a and B is 115. Three fourths of a is equal to two fifths of A. how many are a and B respectively? Why use 115 times 8 and 115 times 15

Number a × 3 / 4 = number B × 2 / 5
Number A: number b = 2 / 5:3 / 4 = 8:15
(i.e. 8 for a and 15 for B)
So:
A = 115 △ 8 + 15 × 8 = 40
B = 115-40 = 75

Two fifths of number a is equal to three fourths of number B. number a is 60. What's number B

B = 60 × 2 / 5 △ 3 / 4 = 32

Two fifths of number a is equal to three fourths of number B. the ratio of number a to number B is (): ()
Be quick!

Two fifths of number a is equal to three fourths of number B. the ratio of number a to number B is (15): (8)

There are two numbers a and B. three fourths of a is equal to five twelfth of B. two fifths of a is more than one twelfth of B
What's the difference?

3/4X=5/12Y
2/5X-45=1/12Y
36X=20Y
24X-2700=5Y
96X-10800=20Y=36X
X=180
Y=324

The quotient of a divided by B is 2 / 5, the average of a and B is 2.8, and a is ()

The ratio of a to B is 2:5
The sum of a and B is 2.8 × 2 = 5.6
The number of a is 5.6 × 2 / (2 + 5) = 1.6

The quotient of a divided by B is 2 / 5, the average of a and B is 5.6, and a is ()

A 2.4, B 8

The average of a and B is 16.8, the quotient of a divided by B is 3.2, a is (), B is ()

A + B = 16.8 * 2 = 33.6
A / b = 3.2
A = 3.2 B
Substituting into the first formula
(1 + 3.2) B = 33.6
B = 8
A is 3.2 * 8 = 25.6

The average number of a and B is 60, and the number of a is 5 / 7 of that of B. what are the numbers of a and B?

Number B: 60x2 ÷ (1 + 5 / 7) = 70
A number: 60x2-70 = 50