I do believe the answer is D
Answer:
450 ml.
Step-by-step explanation:
Let x be the amount of water drank by Alla and y be the amount of water drank by Balla.
We have been given that Alla and Balla together drink 750 ML of water. We can represent this information as:
We are also told that Alla drinks 50% more than Balla. We can represent this information as:
From equation (1) we will get,
Upon substituting this value in equation (2) we will get,

Upon distributing 1.5 to right hand side of the equation we will get,

Upon adding 1.5x to both sides of equation we will get,


Let us divide both sides of our equation by 2.5.

Therefore, Alla drank 450 ml of water.
Answer:
Future value of a single amount
Step-by-step explanation:
Future value of a single amount - it is referred to as the amount of money that received after n year when money is deposit at the rate interest of i from the initial time. we can say that the total amount is the sum of principal money and interest value.
The formula used to calculate the Future Value of a single amount
Future value = Present value *[Future value factor]
Answer:x=x=
−2
5
y+
4
5
Step-by-step explanation:
Let's solve for x.
2y+5x=4
Step 1: Add -2y to both sides.
5x+2y+−2y=4+−2y
5x=−2y+4
Step 2: Divide both sides by 5.
5x
5
=
−2y+4
5
x=
−2
5
y+
4
5
Answer:
x=
−2
5
y+
4
5
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Answer:
30 2/3
Step-by-step explanation: