You must buy cupcakes and pizza for a party. each cupcake costs $2.50, and each pizza pie costs $9. you know that you need at least 10 pizzas so that each person can have at least 2 slices of pizza. in addition, you cannot spend more than $150. if you want to figure out how many cupcakes and pizza pies you can buy, what system of inequalities would you write?

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x