Answer:
The number is -1/2
Step-by-step explanation:
Let x be the number
2x+8 = 7
Subtract 8 from each side
2x+8-8 = 7-8
2x = -1
Divide each side by 2
2x/2 =-1/2
x = -1/2
The number is -1/2
 
        
                    
             
        
        
        
Answer:
x=280
Step-by-step explanation:
We have, 15% × x = 42
or, 
15
100
 × x = 42
Multiplying both sides by 100 and dividing both sides by 15,
we have x = 42 × 
100
15
x = 280
If you are using a calculator, simply enter 42×100÷15, which will give you the answer.
 
        
                    
             
        
        
        
Answer: 1/9
Step-by-step explanation: 
60 + 48 = 108 minutes
 12 / 108 = 1/9
 
        
             
        
        
        
Answer:
147bags=3days
?bags=5 1/2days
<u>147</u><u>×</u><u>11</u><u>/</u><u>2</u>
 3
<u>1617</u><u>÷</u><u>3</u>
 2
<u>1617</u><u>×</u><u>1</u>
2 3
=539/2
=269 1/2 bags or 269.5bags