Answer:
D: k*x=y
Step-by-step explanation:
a proportional relationship is basically a linear equation (y=mx+b)
Step-by-step explanation:
let father's age be f yr old and son age be s yr old
f = 5s -(1)
f + s = 60 -(2)
sub (1) into (2):
5s + s = 60
6s = 60
s = 10
f = 60 - 10 = 50
in 5 yr time, father age = 50 + 5 = 55
son age = 10 + 5 = 15
Answer:
1,058
Step-by-step explanation:
Interest= 800(.15)= 120 1 yr interest
A= 800 + 120= 920 on the 1st year
920 (.15)= 138 int. on the 2nd year
Therefore, 920+ 138= 1,058 final amount after 2 yrs.
Answer:
200.96 feet
Step-by-step explanation:
1 seat = 3.14 feet
Multiply by 64.
64 seats = 64×3.14 feet = 200.96 feet