find the percent reduction in the following cases 1) from rs 40 to rs 32 2) from 6 kg to 5.4 kg 3) from 12 hours to 10 hours.
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Answer:
Question 2:
Convert each of the following into a fraction:
(i) 32%
(ii) 6
1
4
%
(iii) 26
2
3
%
(iv) 120%
(v) 6.25%
(vi) 0.8%
(vii) 0.06%
(viii) 22.75%
ANSWER:
We have the following:
(i) 32%=(
32
100
)=
8
25
(ii) 6
1
4
%=(
25
4
)%=(
25
4
×
1
100
)=
1
16
(iii) 26
2
3
%=(
80
3
)%=(
80
3
×
1
100
)=(
4×1
3×5
)=
4
15
(iv) 120%=(
120
100
)=
6
5
=1
1
5
(v) 6.25%=(
6.25
100
)=(
625
100×100
)=(
25
400
)=
1
16
(vi) 0.8%=(
0.8
100
)=(
8
10×100
)=(
8
1000
)=
1
125
(vii) 0.06%=(
0.06
100
)=(
6
100×100
)=(
6
10000
)=
3
5000
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