Answer:
8
Step-by-step explanation:
(4*7/2)+(15*7)+(7*6/2) = 140
Answer:
3 French horns
6 tubas
9 trumpets
Step-by-step explanation:
Let the number of French horns be x.
<u>Number of French horns</u> = x
There are twice as many tubas as French horns, so
<u>Number of tubas</u> = 2x
There are three more trumpets than tubas, so
<u>Number of trumpets</u> = 2x + 3
Five times the number of trumpets equals nine times the number of French horns, plus triple the number of tubas, so

Answer:
27
Step-by-step explanation:
let th original number=x
x+108=5x
5x-x=108
4x=108
x=108/4=27