Question

erick can plant eggplant seedlings in 400 square meters of farmland in 4 hours john can finish he same work in 6 hours how long can they finish the work together?​

Answer 1

Answer:

Eggplant (Solanum melongena) grows wild in its homeland of South Asia as a perennial plant, though these warm-season vegetables are treated by most gardeners as annuals. Given their tropical and subtropical heritage, eggplants do require relatively high temperatures, similar to tomatoes and peppers (which, like eggplants, are in the Nightshade family). They grow fastest when temperatures are between 70 and 85°F (21 and 30°C)—and very slowly during cooler weather.

Like tomatoes and peppers, eggplants develop and hang from the branches of a plant that grows several feet in height.

Because they need warm soil, eggplants are usually purchased as 6- to 8-week-old transplants (or, started indoors about two months in advance) to get a head start. Raised beds enriched with composted manure are an ideal growing place for eggplants because the soil warms more quickly. Eggplants are also great for containers and make lovely ornamental borders. In fact, there are quite a few ornamental eggplant varieties available today, whose inedible fruit have 

Answer 2

Given,

Erick can plant eggplant seedlings in 400m² farmland in 4 hours.

John can finish the same work in 6 hours.

To find,

Time required to finish the work if they work together.

Solution,

We can simply solve this mathematical problem by using the following mathematical process.

Now,

Erick can plant in 4 hours = 400m² farmland

Erick can plant in 1 hour = 400/4 = 100m² farmland

And,

John can plant in 6 hours = 400m² farmland

John can plant in 1 hour = 400/6 =(200/3) m² farmland

Together,

They can plant in 1 hour = 100 + (200/3) = (300+200)/3 = (500/3)m² farmland

So,

Together they can plant seedlings in (500/3)m² farmland in = 1 hour

Together they can plant seedlings in 1m² farmland in = 1 × (3/500) hour

Together they can plant seedlings in 400m² farmland in = (3×400)/500 = 2.4 hours

Hence, together they can finish the work in 2.4 hours.