B is the correct answer I think
Answer:
What grade of math is that?
Step-by-step explanation:
Answer:
The customer pay to the plumber be $148 .
Step-by-step explanation:
As given
A plumber uses the expression 48 + 25h to determine the number of dollars to charge each customer.
If h = 4
Customer pay to the plumber = 48 + 25 × 4
= 48 + 100
= $148
Therefore the customer pay to the plumber be $148 .
Answer:
ab= 11 and bc = 8
Step-by-step explanation:
Answer:
You have
21
dimes and
7
quarters.
Explanation:
Let
x
be the number of quarters, and
3
x
the number of dimes.
The amount of money you have can be written as
0.25
x
+
0.1
⋅
3
x
=
3.85
.
Now isolate
x
to find the number of quarters:
0.25
x
+
0.1
⋅
3
x
=
3.85
0.25
x
+
0.3
x
=
3.85
0.55
x
=
3.85
x
=
3.85
0.55
=
7
=
the number of quarters.
Then multiply by three to get the number of dimes:
7
⋅
3
=
21
7
⋅
$
0.25
+
21
⋅
$
0.1
=
$
3.85
Step-by-step explanation:
Hope this helped