Answer:
Decrease number 30 by 10% of its value: New value = 30 - Percentage decrease = 30 - (10% × 30) = 30 - 10% × 30 = (1 - 10%) × 30 = (100% - 10%) × 30 = 90%
Step-by-step explanation:
Yes it is the solution of the system
Answer:
4x + 20 ------------ Expression
4x + 20 > 40 ------------- Inequality
4x + 20 = 40-------------Equation
-9 should be the answer <span />
There are 60 brown horses and 40 black horses and 20 spotted horses
<em><u>Solution:</u></em>
Given that there are 120 horses on a farm
of the horses are brown
<em><u>Number of brown horses are:</u></em>
Therefore, 1/2 of total number of horses are brown
of 120
of the horses are black
<em><u>Number of black horses are:</u></em>
Therefore, 1/3 of total number of horses are black
of 120
of the horses are spotted
<em><u>Number of spotted horses:</u></em>
Therefore, 1/6 of total number of horses are spotted
of 120
Thus there are 60 brown horses and 40 black horses and 20 spotted horses