Q = d - 12
q = 28 - d
d - 12 = 28 - d
d + d = 28 + 12
2d = 40
d = 40/2
d = 20 <== 20 dimes
q = d - 12
q = 20 - 12
q = 8 <== 8 quarters
Hello!
You have to put the numbers in for the variables in the equation

Put the numbers in

Combine like terms


The is is

or about -0.29
Hope this help!
Answer:
4 1/9
Step-by-step explanation:
Add all of them together. you get 37. Then divide them by how many numbers. You get 4.111 repeating. I then just turned that into a fraction and got 4 1/9
the 1st and 2nd ones r correct
Step-by-step explanation:
hope this helps