Answer:
Step-by-step explanation:
Here,
y
∝
x
⇒
y
=
k
x
where k is constant.
⇒
1
=
k
.2
[put y =1,x=2]
⇒
k
=
1
2
Again, y = kx
⇒
y
=
1
2
×
4
[put x = 4]
⇒
Y
=
2
Answer:
y
=
2
Answer:
$39.90
Step-by-step explanation:
if each video game cost $3.30, and she rented 7, then you multiply $3.30 by 7, to get $21.10, and if each DVD was $4.20, and she rented 4, then its $4.20x4= $16.80
after that you just add the two total costs together, which is $23.10+$16.80=$39.90
Answer:
B) the cost, in dollars, for each additional gigabyte used
Step-by-step explanation:
C=monthly cost
g=total number of gigabytes
5=starting number of gigabytes
Monthly Cost=15(number of gigabytes - 5 gigabytes)
C=5(g-5)
each additional gigabyte is charged for 5 dollars
Her savings is the 25% amount... well, if we take 65 to be the 100%, how much is 25% of that?

solve for "x", that's her savings
the cost of the jeans is 65 - x