Answer:
(-1;-3)
Step-by-step explanation:
Selecting an Instructor At a convention there are 7 mathematics instructors, 5 computer science instructors, 3 statistics instru
1 answer:
You might be interested in
It is given in the question that in the lemon squash 2 parts concentrate is added to 5 parts of water. Thus it makes the concentrate to water ratio as 2:5 or . Now, if this ratio is maintained then the amount of water to be added to 90 ml concentrate in a glass can be calculated as:
Where x is the amount of water to be added, in ml (milliliters).
Cross multiplication of the above equation will give us:
Dividing both sides by 2 we will get:
Thus, if we put 90ml of concentrate in a glass, the water that should be added must be 225 ml.
Answer:
The number of cars that brings the same profit is 9 and 0
Step-by-step explanation:
Given
Required
Determine the possible values of x
Subtract 5x from both sides
Factorize
Split the equation
or
or
<em>Hence, the number of cars that brings the same profit is 9 and 0</em>