· A factory increased its production of scooters by a
certain percentage in the first year and decreased the
production by the same percentage in the second
year. find the rate of increase/decrease, if the original
production of 50,000 scooters came down to 49,500
at the end of two years.
Answers
Answered by
1
Step-by-step explanation:
Let the rate of growth per annum be R.
We have, Present production =48400 scooters.
Previous production =40000 scooters
Number of years =2
∴48400=40000×(1+
100
R
)
2
⇒
40000
48400
=(1+
100
R
)
2
⇒
400
484
=(1+
100
R
)
2
⇒
100
121
=(1+
100
R
)
2
⇒(1+
100
R
)
2
=(
10
11
)
2
⇒1+
100
R
=
10
11
⇒
100
R
=
10
11
−1
⇒
100
R
=
10
1
⇒R=
10
100
=10
Hence, the required rate of growth =10% per annum.
Answered by
8
Step-by-step explanation:
refer to the attachment for answer.
pls folløw ❤️
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