Answer:
X + X + 1 + X + 2 = 72
3X + 3 = 72
3X + 3 - 3 = 72 - 3
3X = 69
3X/3 = 69/3
X = 23
Step-by-step explanation:
To solve for X, you first add the integers together and the X variables together. Then you subtract three from each side, followed by dividing by 3 on each side.
The answer is 4!!!!!!!!! :)
Answer:

Step-by-step explanation:
step 1
Find the volume of the tank (cylinder)
The volume of cylinder is given by the formula

we have

substitute


step 2
Find the cost of rent one tank
Multiply the volume of one tank by the unit rate of $4 per cubic foot

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Answer:
16 minutes
Step-by-step explanation:
80% of 20 is
80/100 * 20 = 16