A phone company charges 10 cents per minute for the first 3 minute of a call and 10 -c cents for each minute thereafter. What is the cost, in cents, of a 10 -minute phonecall?

What per cent of 1 hour is 30 minutes?

What per cent of 1 day is 1 minute?

What per cent of 1 day is 36 minutes?

If k pencils cost c cents, what is the cost in cents of p pencils?

10 g is what per cent of 1 kg?

What is the area swept by a minute hand of a clock in 10 minutes, if the length of minute hand is 15 cm?

A long-distance telephone call costs $1.80 for the first 3 minutes and $0.40 for each additional minutes. If the charge for an x-minutes long distance call at this rate was $4.20, then x=

What per cent of a day is 10 h ?

What is 10 per cent law ?

The minute hand of a clock is 18 cms long. How many centimetres does the extremity of the minute hand move in 10 minutes?