In a community. 1200 families were surveyed to know the sources of energy for cooking purpose and obtained the following information: 650 families used wood, 360 used kerosene. 270 used gas. 39 used gas and kerosene only, 12 used kerosene and wood only and 3 used gas and wood only. Answer the following questions by using a Venn-diagram i How many families used all three types of fuel? ii. How many families used wood and kerosene? ii. How many families used gas only?iii. how many family used wood and kerosene?​

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."

Can someone me do math because i am having a breakdown rn because i don’t get it