Answer:
probably t=40-3h cause of simple math if you don't understand I suggest using khan academy
Answer:
8(5*3)+(2*5)+(2*10)=360
Step-by-step explanation:
8(15)+(10)+(20)=
8(45)=
Answer:
240
Step-by-step explanation:
add up the numbers of all the students that were surveyed
get 90
60 of those were rock or hiphop
divide 360 by 90
get 4
multiply 60 by 4
get 240