Mom paid $2.40 for a 3/4 pound of cereal, how much is that per pound

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?