Question

A craft store sells markers for
$
4
per pack and colored pencils for
$
6
per pack. A teacher bought
14
packs for
$
68
total. Let
m
represent marker packs and
c
represent colored pencil packs.
Select options below
The system is
0
1/4
1/2
1

m
+

Choose...
0
1
2
3

c
=
14
and
4
m
+
6
c
=

Choose...
40
56
60
68

.

Answer 1

Choose 1 for m, 1 for c, and 68.

So the system is:
1m + 1c = 14 (m + c = 14)
4m + 6c = 68

Solving: m = 14 − c, so 4(14 − c) + 6c = 68 → 56 + 2c = 68 → c = 6, m = 8.