A dealer sells a mixer grinder for 1600R. s. and earns a profit of 20% find C. p. (cost price) of mixer grinder. Answer with workout for brainiest

How to do this , and can some one explain

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

Which figures are polygons? select each correct answer. figure a figure b figure c figure d