Answer: 50
Step-by-step explanation:





Substitute 3 for x:
= 20(3)-10
= 50
Answer:
135
Step-by-step explanation:
you subtract 160 from 25
you get 135
to check you do 135 + 25 and you get 160
Answer:
60 trucks
Step-by-step explanation:
2x12=24
5x12=60
60+24=84 total vehicles
60 of them are trucks.
32
the greatest common factor of 480 and 128 is 32
480 / 32 = 15
128 / 32 = 4
Answer:
feet
Step-by-step explanation:
Total length of the board =
feet
Length of board that is removed from the larger board = 
When a smaller board is removed, the length of the remaining board can be calculated using subtraction as:
Remaining Length of board = Total Length - Length of smaller board
= 
This means
feet of board remains after removing the smaller board from it.