Gianna=3x
Xavier=x
since x=4, than multiply 4 by 3 and you get 12 miles.
Gianna skied 12 miles.
Hope this helped!! :D
Answer:
4.5 miles
Step-by-step explanation:
You times .75 and 6 and you should get 4.5 miles
Answer:
Let x and y be the two positive integers the Christopher is thinking.
x is equal to 7
and y =20
Answer:










Step-by-step explanation:

Answer:
No because even though you aren't actually picking the exact people yo do and don't wanna survey but your only surveying those who buy hot lunches when in order to get accurate data, you have to survey everyone who bought hot and cold lunches from the school cafeteria.