La distancia entre la casa de Fe y la playa es de 420km. si por cada litro de gasolina se recorre 7 km, ¿cuántos litros de gasolina necesitará para recorrer los tres quintos del camino hasta la playa?

a) 0.25x times 3. (could be wrong on equation.)

b) 2.25 pound of dark chocolate. (can i eat all the chocolate? plz? anyway, again, could be wrong, but i hope im right. all the chocolate together should be 5.25 pounds)

have a good day!

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

have a nice day!