Lan has $28 in his checking account. if he writes a check for $12, how much money is left in his account?

$16 once the check is cashed in

Step-by-step explanation:

16

Step-by-step explanation:

28-16=16

He had $28 and so he wrote a check for $12 and so he used it to pay for something and so it is subtracted out from his bank account.

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)

-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours