What number am i?7 times two digit number equals 4 times number with the digit reversed .the sum of the digits is 3.

1 answer:

5 0

Answer:

Step-by-step explanation:

7 times 12 is 84. 4 times 21 is 84. The digits have a sum of 3.

You might be interested in

Keith_Richards [23]

Answer:

$d=-5 \text{ or } d=5$

Step-by-step explanation:

$|-3d|=15\\\\-3d=15 \text{ or } -3d=15\\\\\frac{-3d=15 \text{ or } -3d=15}{-3}\\\\\boxed{d=-5 \text{ or } d=5}$

Hope this helps.

7 0

3 years ago

devlian [24]

Lucas' table is proportional

7 0

3 years ago

Kay [80]

The answer is 12. I am 1,000,000% positive that it is the correct answer

4 0

3 years ago

Helga [31]

I am sorry i dont understand

5 0

3 years ago

kicyunya [14]

3v + 2 = 7v
2 = 4v
1/2 = v

QS = 3v + 2
= 3(1/2)+ 2
= 1.5 + 2
= 3.5

TV = 7v
= 7(1/2)
= 3.5

5 0

3 years ago