7y + 10x = 99
y - x = 2
y = 7 , x = 5
Answer:
D
Step-by-step explanation:
u make subject of fomula x then divide by
The area of the square is 100ft
I quickly did this on paper and here is my answer I’m not 100% sure I’m correct but here it is
In 1 hour the boats will be 15 miles apart. In 3 hours the boats will be 45 miles apart.
Hope this helps :D