The sum of A and B is 125 and their difference is 12. What are the numbers?

A = 68.5

B = 56.5

Step-by-step explanation:

This question is about simultaneous equations

A + B = 125

A - B = 12

Minus everything

A - A = Nothing

B - - B =2B

125 - 12 = 113

So you get 2B = 113. Divide by 2 to get 56.5

Use the 56.5 to get the other value

A + 56.5 = 125

125 - 56.5 = A

A =68.5

The difference between 68.5 and 56.5 is 12 and they add to 125

A = 68.5

B = 56.5

Step-by-step explanation:

A + B = 125

A - B = 12

Add B to both sides of the second equation

A = 12 + B

Now substitute new second equation into the first equation

12 + B + B = 125

Add the B's together

12 + 2B = 125

Subtract 12 from both sides of the equation

2B = 113

B = 56.5

A = 68.5

Hope this helps :)

(c, 0) i might be wrong so don't put full faith on my answer

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation: