Answer:
Step-by-step explanation:
y = x
The constant of proportionality is 1 although you cannot see it. It is understood to be there.
y = (-8/5) x
This is a nasty piece of work and it depends on your grade level. If you are below grade 8, you are not encouraged to think of a constant of proportionality as less than 0.
In general the opinion is split. Some people say yes others no. If you twist my arm and put a gun to my head, my answer would be that it's fine, but it is a matter of what you have been told. I would read your notes.
5 shirts for $21
the 6 deal would be $4.25 for each shirt
4 deal would be $4.50 for each shirt
and the 5 deal is the cheapest because its $4.20 for each shirt
Answer:
25
Step-by-step explanation:
a/5+3=8
a/5=8-3
a/5=5
cross multiply
a=5×5
a=25
1/2=4/8 (1×4 and 2×4)
Then 4/8-1/8= 3/8 (4-1=3)
