How do you write 7.25 in word form?

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

A50% increase followed by 33 1/2% decrease