Question

13. Find (i) 30% of 180 cm (ii) 15% of 12 km.​

Answer 1

Step-by-step explanation:

1. 30% of 180

= 30/100 × 180

= 3×18

= 54 cm

2. 15% of 12km

= 15/100× 12

= 3/5 × 3

= 9/5

= 1 4/5 km

Answer 2

Step-by-step explanation:

1) 30% of 180cm = 30/100×180

=54cm

2)15% of 12km

12 km = 12000 metres

= 15/100×12000

=1800 metres or 1.8 km

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