Hi there!
There are several possible options.
A main one would be : 10 DIMES and 2 PENNIES
Other ones could be :
2 quarters
1 dime
2 pennies
62 pennies
12 nickels
2 pennies
and more !
Hope this helps !
According to the fundemintal counting princable the answer is 18.
Slope is change in y over change in x.
Change in y is -9
Change in x is +12
So -9/12 or -2/3
Answer -2/3
The simplified form is 12x-40
The last one shows the right transformation.