Robin’s number ------------ Y
Sydney’s number ------------ x
Y = X + 8.............. (1)
X + Y = 72 ............(2)
Substituting (1) in (2)
X + (X + 8) = 72 .............> ......2X = 64 => X = 32
Now in (1)
Y = (32) + 8 = 40
Robin is 40
Sydney is 32
Answer:
1727 inches or approximately 143.91667 feet
Step-by-step explanation:
circumfrence is the
so its
. this gives you a circumfrence of 69.08 inches which is eaual to one revolution. you simply have to do
inches. I didnt know if you also needed the answer in feet, so i divided that by 12 to get an approxamation of 143.91667 feet (it comes out with a repeating 6, so i rounded it to 7 on the third to six be accurate).
Answer:
-114
Step-by-step explanation:
It will take 15 seconds. You would multiply 50 by 7 and get 350. Then multiply 7 by 2 getting 14 seconds. Split the 2 seconds making it one second and you'll get 375 miles