Paula's dog is 36 lbs
Use the equation 48=3x+x
Add like terms: 48=4x
Divide: 12=x (x=Carla's dog's weight)
Then Multiply x by 3 to get Paula's dog's weight and you get 36 lbs
Answer:
xyz(x + z)
Step-by-step explanation:
sorry if im incorrect
Add the ratio together: 2 + 5 = 7
Divide this by the total number of plants;
70/7 = 10
Now times the ration by this number:
2:5 becomes 20:50 (times by 10)
This tells us we have 20 tulips as 50 daisies
Answer:
Plan A last 0.75 hours or 45 minutes.
Plan B last 1.5 hours or 90 minutes.
Step-by-step explanation:
Let
be the number of hours that the plan A last, an
the number of hours of plan B. Then for the Wednesday you have:

And for the Thursday is:

Multiply the equation of Wednesday by -3:

Using the method of addition using this last equation and the equation of Thursday

Replacing the value of
in one of the equations
