Answer:
I believe the answer is B. it is correct if it says, 1: 1,200
Step-by-step explanation:
Because the ratio is 1: 1,200
Hey there!
Let's write this as a system of equations.
m+b=22
b= 4m-3
Let's plug our value for b into the first equation and solve for m.
m+4m-3=22
We combine like terms.
5m-3=22
We add 3 to both sides.
5m=25
We divide both sides by 5.
m=5
Therefore, Maggie is 5 years old.
I hope this helps!
Answer:
32/7, 4 4/7 or 4.57
Step-by-step explanation:
(384/84) ÷ (12/12) = (32/7)
to mixed number: 4 4/7
to decimal: 4.571429
90:70
90=60min=3600sec
90-70=20
3600:20=180
I think it will take 180 second (3min) to take over the first car
