Farmer sells 6.8 kilograms of apples and pears at the farmer's market. 4/ 5 of this weight is apples, and the rest is pears. How many kilograms of pears did she sell at the farmer's market? Decimal to fraction form

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price