Together, they can do
1
5

+
1
20
of the job in 1 minute

1
5

+
1
20

=
4
20

+
1
20

=
5
20

5
20

×
20
5

=
100
100
= 1

1
20

=
20
20
x

The friend can do
1
20


1
25
of the job in 1 day

The friend can do
5
100


4
100
of the job in 1 day

or
1
100

1
5

+
1
20
of the job in 1 minute

1
5

+
1
20

=
4
20

+
1
20

=
5
20

5
20

×
20
5

=
100
100
= 1

1
20

=
20
20
x

The friend can do
1
20


1
25
of the job in 1 day

5
100


4
100
of the job in 1 day

or
1
100

Jul 28, 17 02:38 PM
Bessy has 6 times as much money as Bob, but when each earn $6. Bessy will have 3 times as much money as Bob. How much does each have before and after
New math lessons
Your email is safe with us. We will only use it to inform you about new math lessons.
Jul 28, 17 02:38 PM
Bessy has 6 times as much money as Bob, but when each earn $6. Bessy will have 3 times as much money as Bob. How much does each have before and after