There are a total of 18 frocks. if the ratio of purple frocks to white frocks is 2 to 4, how many of them are white?

Arandom high school question but a hard one

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

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.