Answer:
He have to invest $527.777778 .
Step-by-step explanation:
X : 4.75% = $10,000 : 90
Answer:
5/7=W/28
Step-by-step explanation:
They won 5 out of 7 played games so that's their win rate. If the same team continued to do this for 28 games then they would win 20 times.
35+5t=amount in tank A after t minutes
100-8t=amount in tank B after t minutes
same amount
35+5t=100-8t
add 8t both sides
35+13t=100
minus 35 both sides
13t=65
divide by 13 both sides
t=5
5 minutes
Foil or something
FOIL
First
Outer
Inner
Last
multipliy
First: k times k=k²
Outer: k times -1=-k
Inner: -3 times k=-3k
Last: -3 times -1=3
add
k²-k-3k+4=
k²-4k+4
B