x+y=120_______1
x=4*y_________2
x=4y
substitute 4y for x in equation 1
`4y+y=120
5y=120
eliminate the coefficient of y
y=120/5
y=24
now,input 24 for y in equation 2
`x=4y
x=4*24
x=96
thus, the numbers are
96 and 24
15 minutes = 1/4 of an hour = 0.25
64 x 4.25 =272 miles total
Answer:
Step-by-step explanation:
f(5)=49.5(0.88)^5
f(5)=$26.12
Answer:
River C is: 2,965 miles long.
River D is: 2,565 miles long.
Step-by-step explanation:
Have a great day! ^^