Lucky Purchased a prepaid phone card for 20$. long distance calls cost 21 cents a minute using this card. Lucy used her card only to make one long distance call. if the remaining credit on her card is $12.02 how many minutes did her call last?

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.