The perimeter of a rectangular wall divider is 100 feet. Its height is 15 feet. What is its width? A. 15 feet
B. 35 feet
C. 85 feet
D. 100 feet

I think it's C.

Step-by-step explanation:

Step-by-step explanación: La temperatura al interior de un congelador es de 20 °C y, luego de ... Por unidad su costo es $ 85 y el precio de venta es de $ 100. ... litros se pueden llenar 1 latas de bebida, si cada una contiene con 15 _ 2 0,35 litros? ... a los pies se demora 0,015 segundos,

step-by-step explanation:

12: 00 p.m. to 7: 00 p.m. is a total of 7 hours.

4: 00 p.m. to 7: 00 p.m. is a total of 3 hours.

this means that from 4: 00 p.m to 7: 00 p.m. this represents 3/7 of what was lost from 12: 00 p.m. to 7: 00 p.m.

after knowing this, after doing 11,600 - 6,800 = 4,800

4,800 represents 3/7 of what was lost for 7 hours.

we then divide 4,800 by 3 which gets 1,600.

because we know that 1,600 represents 1/7 of how much water was lost, we just have to multiply by 7, which gets 11,200.   after adding 11,200 to how much water was left at 7: 00 p.m. which was 6,800. 11,200 + 6,800 = 18,000

this means that the pool originally had 18,000 gallons in the pool.

you can also check your work by doing 18,000 - 4(1600), which becomes           1800 - 6400 which gets you 11,600.