Answer:
You have
21
dimes and
7
quarters.
Explanation:
Let
x
be the number of quarters, and
3
the number of dimes.
The amount of money you have can be written as
0.25
+
0.1
⋅
=
3.85
.
Now isolate
to find the number of quarters:
0.3
0.55
the number of quarters.
Then multiply by three to get the number of dimes:
$
Step-by-step explanation:
Hope this helped
A: 0, -2
B: 10
I did the math and then checked on the web
7x + 2y = 9
standard form is always written as:
Ax + By = C
a x b