There are 45 new houses being built in a neighborhood. last month 1/3 of them were sold. this month 2/5 of the remaining houses were sold. how many houses are left to be sold

An of a of 60. a of 36 is . isbe ?to .

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

The perimeter of ? cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.