=
(
−
2
y
)
(
2
)
+
6
y
−
1
+
−
1
(
(
−
4
y
)
(
2
)
−
3
y
+
9
)
=
(
−
2
y
)
(
2
)
+
6
y
+
−
1
+
−
1
(
(
−
4
y
)
(
2
)
)
+
−
1
(
−
3
y
)
+
(
−
1
)
(
9
)
=
(
−
2
y
)
(
2
)
+
6
y
+
−
1
+
8
y
+
3
y
+
−
9
=
−
4
y
+
6
y
+
−
1
+
8
y
+
3
y
+
−
9
Combine Like Terms:
=
−
4
y
+
6
y
+
−
1
+
8
y
+
3
y
+
−
9
=
(
−
4
y
+
6
y
+
8
y
+
3
y
)
+
(
−
1
+
−
9
)
=
13
y
+
−
10
She would take about 9 days to make 1000 cranes
1000-304=696
696/80= 8.7
8.7 rounded is 9
Answer:
The answer is the third graph.
Step-by-step explanation:
Since we are looking for a constant balance, we should focus on the line in the graph. In graph 3, we see a line going straight horizontally, without any inclines or declines. Since the word "constant" in Mathematics is a line that has a slope of 0, the answer must be the third graph.
The value of u is 5. 1/10 = 1/5 + 1/15 = 2/20 which equals 1/10
15.58 feets and 18 or 15.5