Si juan tiene 7 manzanas y le da 5 a jose ¿cuantas manzanas le quedan a juan?​

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

15/16 as a decimal rounded to the nearest hundredth

Can someone me with the property questions for 12 13 and 14 plz