Peggy had three times as many quarters and nickels. she had $1.60 in all. how many nickels and how many quarters did she have?

if the variable n represents the number nichels, then which of the following expressions represent the number of quarters?

a: n/3
b: n
c: n+3
d: 3n

Which rational number could be graphed between -4 and -5

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.