Answer:
30
Step-by-step explanation:
x+50=180(संगत कोन भएकाले )
x=180-50
X=130
अब,
130-100=30
The quantity of lemonade Regan sold on Saturday is 11/4 gallons
<h3>How to solve fraction?</h3>
- Mark = 2 7/8 gallons
- Regan = 2/3 gallons as much as mark
Amount of lemonade Regan sold = 2 7/8 × 2/3
= 23/8 × 2/3
= 66 / 24
= 11/4 gallons
Complete question:
On Saturday, Mark sold 2 7/8 gallons of lemonade. On the same day, Regan sold 2/3 as much lemonade as Mark. How much lemonade, in gallons did Regan sell?
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Answer: 
Step-by-step explanation:
Using the data given in the exercise, we can draw the diagram attached, where "h" is the height of the building reached by the top of the ladder.
Notice that there are two similar triangles.
So, you can set up the following proportion:

Finally, in order to calculate the height on the building reached by the top of the ladder, you must solve for "h".
Therefore, the value of "h" is :

200 dollars like the answer please
Answer:
Well if you put -4 where x is.. you still do get the answer of 20.
So that is correct.
Step-by-step explanation: