Challenge sage wants to buy board games for some of her friends. board games
cost $9 each. she has $6 and one coupon for $3 off. her aunt barbara gave her $7
and another coupon for $3 off.
a how many games can sage buy if she uses the coupons? show your work.
b
will sage have any money left over? if so, how much? show your work.

You use math in day-to-day routines when grocery shopping, going to the bank or mall, and while cooking. how do you imagine you will use math in your healthcare career?

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."

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?