jasminelockhart34451 jasminelockhart34451

04-08-2021
Mathematics

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8 students take 18 hours to construct a raft.
If the raft needs to be completed 12 hours earlier, calculate how many more students are needed.

Respuesta :

devishri1977 devishri1977

04-08-2021

Answer:

16

Step-by-step explanation:

Students 8 x

Time taken (hours) 18 18 - 12 = 6

If number of students increases, the work will completed in less hours.

So inverse proportion

[tex]x =\frac{18*8}{6}=3*8 = 24[/tex]

Additional students required = 24 - 8 = 16

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