9. A can do a piece of work in 20 days and B can do the same piece of working
days. They work together for a few days and then B goes away. If A finishes
remaining work in 4 days, how long do they work together?
Answers
Answered by
0
Step-by-step explanation:
(b) 17y \Rightarrow⇒ Multiplication.
\frac{y}{17}\Rightarrow\
17
y
⇒ Division
5z\Rightarrow⇒ Multiplication.
(b) 17y \Rightarrow⇒ Multiplication.
\frac{y}{17}\Rightarrow\
17
y
⇒ Division
5z\Rightarrow⇒ Multiplication.(b) 17y \Rightarrow⇒ Multiplication.
\frac{y}{17}\Rightarrow\
17
y
⇒ Division
5z\Rightarrow⇒ Multiplication.(b) 17y \Rightarrow⇒ Multiplication.
\frac{y}{17}\Rightarrow\
17
y
⇒ Division
5z\Rightarrow⇒ Multiplication.
Answered by
0
Answer:
8 days
Step-by-step explanation:
as they can do the same work in same time , they may complete the work in 10 days but as B goes away A has worked 4 more days extra.
so , 20 _4 is 16 and 16/2 is 8.
they worked 8 days together
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