Answer:
k = 12
Step-by-step explanation:
The constant of proportionality k is the ratio
k = 
Use any ordered pair from the table to find k
Using number of laps = 240, number of swimmers = 20 , then
k = 
= 12
Salut!
Ai ca a + b + c +d = 600;
a = b + 12 => b = a-12;
a = c - 12 => c = a + 12;
d = (a+b+c)/3 => d = a;
In final, 4a = 600 => a = 150;
b = 138;
c = 162;
d = 150;
Bafta!
Answer:
The first shape
Step-by-step explanation:
To find the final cost you multiply 35.80 x .07 and you get 2.506 but since its money you round it to $2.51. $2.51 is your sales tax and now you need to add it to the cost of the shirt so 35.80+2.51= $38.31
