Answer:
I have this too idk
Step-by-step explanation:
The answer would be n=37 because…
40+n=77
subtract 40 on both sides, cancelling it out on the left side and 77-40=37 so:
n=37
Answer:
9 cups of flour
Step-by-step explanation:
Multiply by 3. 8 cups of water multiplied by 3 is 24 cups of water so you do the same to the flour to keep them balanced and ratioed. So 3 cups of flour times 3 is 9 cups of flour. 8:3 is the ratio.
Speed = distance/ time
Car : 450m/1min
Train: 69km/45 min