Answer:
Step-by-step explanation:
What you do first, is you add all the numbers on the right side because the denominator is the same. One you get 7,226, you minus that from 7826 and you get your answer which is 600.
Answer:
Step-by-step explanation:
- 3x-2y =7
- x+2y= -3
- 4x=4
- x=4/4
- x=1
- 3x-2y=7
- 3(1)-2y=7
- 3-2y=7
- -2y=7-3
- -2y=4
- 2y=-4
- y=-4/2
- y= -2
- Verify solution
- x+2y= -3
- 1+2y= -3
- 2y=-3-1
- 2y= -4
- y= -4/2
- y= -2
Answer:
f = (20 × 15) + (10 × 6)
Explanation:
You are just find how many fish are salt water and how many freshwater and adding them together. The total number of aquariums is irrelevant in this case.
Answer:
3q+3
Step-by-step explanation:
If q represents the number of quarters, 3 times that is 3q, and 3 more than 3 times that is ...
3q+3