Answer:
63.38
Step-by-step explanation:
(49.90)(20%)(6%)
20%= $9.98
49.90+9.98 =59.80
(59.80)(6%)
6%= $3.58
59.80+3.58=63.38
Answer
Find out the what is the value of x when y = 8 .
To prove
As given
The variables y and x have a proportional relationship.

y = kx
Where k is the constant of proportionality.
As y = 5 when x = 4
Put in the above
5 = 4k

Now find out the value of x , when y = 8


x= 6.5
Therefore when y = 8 than x = 6.4
Answer:
D.) 4x + y
Step-by-step explanation:
3x + x + y
Add 3
x and x
.
4
x + y
Answer:
78
Step-by-step explanation:
...............................
Answer:
-6
Step-by-step explanation:
Add 2x-15 to both sides to get 2x=-12 or x = -6.