Answer:
x = -3.25
Step-by-step explanation:
2/5 = 0.4
0.4x - 0.2 = -2(3/4)
-2(3/4) = -2/1 * 3/4 = -6/4
0.4x - 0.2 = -6/4
Convert to fraction
2/5x - 1/5 = -6/4
Add 1/5 to both sides
-6/4 + 1/5 = -30/20 + 4/20 = -26/20
2/5x = -26/20
Convert to decimal
0.4x = -1.3
-1.3/0.4 = -3.25
x = -3.25
Answer:
6 feet.
Step-by-step explanation:
Dimensions of the Pool =80 feet long by 20 feet wide
Area of the walkway =1344 square feet.
If the width of the walkway=w
- Length of the Larger Rectangle =80+2w
- Width of the Larger Rectangle =20+2w
Area of the Walkway =Area of the Larger Rectangle - Area of the Pool

Answer:

Step-by-step explanation:
We can let the 'number' in the expression be equal to
. Something 6 less than x would x minus 6, or
.
5 red : 7 yellow
25 red: ? Yellow
5 x 5 is 25 therefore the multiplier is 5
We multiply 7 by 5 which is 35
Therefore 24 red : 35 yellow
35 yellow marbles
Calculate least common factor of 12, 15 & 18.
It will be 180.
answer is
<span>B. 150 < N < 200</span>