WEEK 3
Solve the given problem: (5POINTS)
RUBRICS FOR SCORING
5
The computations
are accurate and
show the wise use
of the key concepts
of solving rational
equations.
4
The computations
are accurate and
show the use of the
key concepts of
solving rational
equations.
3
The computations
are accurate and
show some use of
the key concepts of
solving rational
equations.
2
The computations
are erroneous and
show some use of
the key concepts of
solving rational
equations.
1
The computations
are erroneous and
do not show the use
of key concepts of
solving rational
equations
Cris can paint a room in 4 hours. Andrew can do it in 3 hours. How long will it take the two working together?​