We will solve "working together word problems" with proportion. It may easier to tackle than algebra.
1
5
|
+
1
20
|
1
5
|
+
1
20
|
1
5
|
+
1
20
|
=
4
20
|
+
1
20
|
=
5
20
|
5
20
|
×
20
5
× x
|
=
100
100
= 1x = x
|
1
5
|
+
1
20
|
=
4
20
|
+
1
20
|
=
5
20
|
5
20
|
×
20
5
|
=
100
100
= 1
|
1
20
|
=
20
20
x
|
1
20
|
=
20
20
x
|
1
20
|
-
1
25
|
1
20
|
-
1
25
|
5
100
|
-
4
100
|
or
1
100
|
5
100
|
-
4
100
|
or
1
100
|
This means that it will take the friend 100 days to finish the house garage by himself.
Want more working together word problems?
May 26, 22 06:50 AM
Learn how to find the area of a rhombus when the lengths of the diagonals are missing.