3 years ago

the difference between two numbers is 9. three times the smaller is equal to twice the larger. what are the numbers?

Mathematics

1 answer:

Sergio039 [100]3 years ago

4 0

Answer: 27 and 18

Step-by-step explanation:

x - y = 9 → x = 9 + y

3y = 2x

3y = 2(9 + y)

3y = 18 + 2y

3y - 2y = 18

y = 18

2x = 3(18)

2x = 54

x = 27

x - y = 9

27 - 18 = 9

9 = 9

You might be interested in

If x > 0 and y < 0, where is the point (x, y) located?

dlinn [17]

Answer:

Quadrant 4

Step-by-step explanation:

x > 0 means towards right of the origin

y < 0 means below the origin

So Quadrant 4

6 0

3 years ago

In March, the Chang’s phone and water bills together cost $540. If the phone cost four times as much as the water, how much was

Charra [1.4K]

The water bill was 1/5 of the total, so was 0.2*$540 = $108.

6 0

3 years ago

What is half of 8/8 will give brainliest to last correct answer

astra-53 [7]

Answer:

0.5 :)

Step-by-step explanation:

4 0

3 years ago

Ok this is stressin me out anyone know this

Levart [38]

X=7.
9x-7y=63
9x-7 x 0=63
9x - 0=63
9x=63
X=7.

Y=-9
9 x 0 -7y=63

8 0

3 years ago

The sum of a number x and 4 equals 12

Nataliya [291]

$x+4=12\ \ \ \ |subtract\ 4\ from\ both\ sides\\\\\boxed{x=8}$

6 0

3 years ago