Answer:

Step-by-step explanation:

: Collect like terms
Like terms are those which have same base

: Swap the sides of the equation

: Move 4 to right hand side and change it's sign

: Subtract 4 from 25

: Divide both sides by 3

: Calculate

The value of x is 7
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3(6/7-1/2)+0.25
3(0.75-0.5)+0.25
3*0.25+0.25
0.75+0.25
Answer is 1
Divide 25.7 by 141.

Now, multiply that with 100 percent to get the percentage.

18.22% is your answer! If the question wants you to round it to the nearest percent, the answer will be 18%.
Answer:
1:2
Step-by-step explanation:
18 inches to 1 yard
We need to convert 1 yard to 36 inches
18 inches : 36 inches
Divide each side by 18
18/18 : 36/18
1:2