Answer:
Use demos it is reaaly helpful with this
Answer:
$16
Step-by-step explanation:
This method is probbaly working backwards. I'm not sure.
12 - 4 = 8 (How much she was left with if she didn't wash the car for 4 dollars)
8 x 2 = 16 (They mentioned she spent half of her weekly allowance)
Answer:
16 and 4
Step-by-step explanation:
x + y= 20
x -y =12
(add both equal #'s)
2x =32
x = 16
y=4
♡
Answer:

Sorry but your question is not too explanatory but I sure hope this helps
Answer:
A seven digit number
Step-by-step explanation:
A password made up of digits is less likely to relate to your life (harder to guess) than a five letter word.