Divya pays Rs 145 per month for mobile services and 75paise for each extra minute she talks on a phone. She got a bill of Rs 178 last month. How many extra minutes did she use her phone?
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178-145
=33
now,
33 rs = 3300 rs
now,
3300/75
132/3
44 minutes
=33
now,
33 rs = 3300 rs
now,
3300/75
132/3
44 minutes
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