A hobby store prices model train track using a proportional relationship between the length of track (in inches) and the cost in
dollars.
If 6.4
6
.
4
inches of track costs $16
$
16
, what is the constant of proportionality?
If 6.4
6
.
4
inches of track costs $16
$
16
, what is the constant of proportionality?
2 answers:
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Answer:
Step-by-step explanation:
Use a slope form.
<u>Slope:</u>
y₂ = (17)
y₁ = (1)
x₂ = (2)
x₁ = (-2)
Then, rewrite the problem.
Solve.
Therefore, the slope is 4, which is our answer.
I hope this helps you! Let me know if my answer is wrong or not.
Answer: Her measuring cup has 8.25 mL of medicine.
Step-by-step explanation:
As per given,
In 11 mL of medicine, there are 20 drops.
That means quantity in 1 drop = mL
Now , the quantity in 15 drops = 15 x quantity in 1 drop
=
= 8.25 mL
Hence, her measuring cup has 8.25 mL of medicine.