Question

1.)X:14=9:18 2.)X:2=15:5 3.)12:X=20:5

Answer 1

Ответ:

1) 5 х=2*20

5 х=40

х=40:5

х=8

2) 9 х=7*18

9 х=126

х=126:9

х=14

1) 18 х=9*14

18 х=126

х=126:18

х=7

2) 5 х=2*15

5 х=30

х=30:5

х=6

3) 20 х=5*12

20 х=60

х=60:20

х=3

Пошаговое объяснение:

Answer 2

Let's solve each of these equations step by step:

1. X:14 = 9:18

To solve this equation, we need to find the value of X. To do that, we'll first simplify the ratios on both sides of the equation:

X/14 = 9/18

Now, let's cross-multiply and solve for X:

18X = 14 * 9

18X = 126

Dividing both sides by 18:

X = 126/18

X = 7

Therefore, the solution to the equation is X = 7.

2. X:2 = 15:5

Again, we'll simplify the ratios:

X/2 = 15/5

Cross-multiplying:

5X = 2 * 15

5X = 30

Dividing by 5:

X = 30/5

X = 6

The solution to the equation is X = 6.

3. 12:X = 20:5

Simplifying the ratios:

12/X = 20/5

Cross-multiplying:

20X = 12 * 5

20X = 60

Dividing by 20:

X = 60/20

X = 3

The solution to the equation is X = 3.

Therefore, the solutions to the three equations are:

1. X = 7
2. X = 6
3. X = 3