.5 inch / 50 miles = 5 inches / x miles
x = 500 miles
Answer:
first you have to figure out what is y.
Step-by-step explanation:
Then you would have to subtract and add.
Answer:
The surface area is divided by 4.
Step-by-step explanation:
Surface area of a sphere is 4πr².
When the diameter is 28 the radius is 14. So: 4π(14)² = 784π
If you cut the diameter in half you get 14. The radius is now 7.
4π(7)² = 196π.
784/4 = 196 so divided by 4.
105/7=15
so you will have to read 15 pages per day
