Answer:
63.4
Step-by-step explanation:
Answer for #1
Let the old price be
$
x
per liter. 10 liters would have cost a total of
$
10
x
.
The new price is
$
(
x
+
0.20
)
per liter. 10 liters would have cost
$
10
(
x
+
0.20
)
.
The total cost is
$
9.20
. So,
10
x
+
10
(
x
+
0.20
)
=
9.20
10
x
+
10
x
=
9.20
−
2
x
=
7.20
20
x
=
0.36
Thus, the old price was
$
0.36
per liter.
12 = 4*3 = 2*2*3
8 = 4*2 =2*2*2
greatest common factor = 2*2 =4
they can have 4 teams: consisting of 3 boys and 2 girls
Answer:
175 minutes or 2 hrs and 55 minutes
Step-by-step explanation:
35÷0.20 and you'll get 175
12.24 mm - 0.06 mm ≤ x ≤ 12.24 + 0.06
12.18 mm ≤ x ≤ 12.3 mm