Answer: 72 gallons
Step-by-step explanation: I added 5 and 3 then multiplied by 9.
Answer:
28
Step-by-step explanation:
8c - y
8( 3) - (- 4)
24 + 4
28
Answer:
n = 3/7
Step-by-step explanation:
Answer:
See below.
Step-by-step explanation:
Well first, we need to find the weight of the table. We know that 8 boxes weighs a total of 240kg (since each box weights 30kg). Thus, we can conclude that the table weighs 70kg by doing 310-240=70.
Now, we can write our function. Let
equal the amount of boxes.
The table is a set weight, so that would be our constant.
Thus, we will have:

30x represents the weight each box of book adds to the total. One box equals 30kg, 2 boxes equal 60kg, etc.
The 70 represents the unchanging weight of the table.
In terms of W(x), it will be:
