Answer:
Step-by-step explanation:
Here's the answers I got. Sorry super busy at school ahh
For this case, the first thing we must do is define variables.
We have then:
d: number of dimes
q: number of quarters
We now write the system of equations that models the problem.
We have then:
He has a total of 30 coins:

The toal value of Kyles coins is $ 4.80:

Answer:
A system of equations that can be used to find the number of dimes, d, and the number of quarters, q, kyes has is:


Answer:
14
Step-by-step explanation:
5 time 8=40
40 = total
6 times 9=54
54-40=14
I hope this will help
Answer:
108
Step-by-step explanation:
The cubes has a volume 1/27 because 1/3 *1/3 *1/3 =1/27. Now we just take 4 and divide by 1/27. Which equals 108 cubes.