X - (-2) = 21 <== ur equation
x + 2 = 21
x = 21 - 2
x = 19
We can put this word problem into an equation.
1/3x = 7
Now we just have to solve for x. To find x we need to multiply by three on both sides.
1/3x = 7
*3 *3
-------------
x = 21
So it will take 21 hours to paint one wall.
Answer:
1. Number of Hours: 0, 1, 2, 3, 4, 5
Cost In Dollars: 8, 11, 14, 17, 20, 23
2. The cost for renting a car for 10 hours is $38
3. You can rent a cart for 8 hours with $32
Answer:
4.09
Step-by-step explanation
since negatives over power positive numbers
-6.8+(-2.71) - will simplify plus into minus
-6.8 - 2.71 - now just subtract
6.8-2.71=4.09
Answer:
s = 33
Step-by-step explanation:
99=3s
(99/3) = s
s=33