John has
$
1.05
in nickels and dimes in his pocket. He has three more nickels than he does dimes. How many of each does he have?
Question
Question
John has
$
1.05
in nickels and dimes in his pocket. He has three more nickels than he does dimes. How many of each does he have?
Answer:Thus, the number of dimes is
7
and the number of nickels is 7
+
6
=
13
0.10
x
+
0.05
(
x
+
6
)
=
1.35
0.10
x
+
0.05
x
=
1.35
−
0.30
0.15
x
=
1.05
x
=
1.05
0.15
=
7