Answer:
x=3
Step-by-step explanation:
⇒
y
=
3
x
Explanation:
Direct proportionality is defined as:
y
=
α
x
where
α
is some constant that defines the proportionality.
Given
x
=
2
and
y
=
6
, we find:
y
=
α
x
6
=
α
(
2
)
3
=
α
So the relationship here is
y
=
3
x
(36÷3)-4.5
x=12-4.5
x=7.5#
*I'm not quite sure* I'm really sorry if it is wrong
Answer:
4 hours
Step-by-step explanation:
cross multiply
Answer:
3 8
18 48
22.5 60
27 72
Step-by-step explanation:
3:8 ratio
18/3=6
8*6=48
Answer:
20% of $50 is $10. This means that the pair of jeans now cost $60 since it got marked up.
Step-by-step explanation: