Find the value of x. B х 8 A 3 D 4 x = [?] Enter

Mathematics

1 answer:

omeli [17]3 years ago

4 0

Answer:

X=6

Step-by-step explanation:

If B and C equal 8 and is larger than x than x is a smaller number. D and C is 4 but its smaller than x so x has to be bigger. Your left with 3 choices 5, 6, and 7. Measure it and find out how big x is and its between 6 or 7. If any means they do decimals it can also be 6.5 so x=6 or x=7 or x=6.5

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how long will it take 14 machines to complete the task, given that 8 machines can complete the same task in 7 days?

torisob [31]

Answer:

4 days

Step-by-step explanation:

If 8 machines can complete a task in 7 days, how long will 14 machines take?

So, it is obvious that if the number of machines increases, the number of days taken to complete the task decreases; thus proving that this is an indirect / inverse proportion.

Let's take x as the number of days we need to find out.

8 machines : 7 days

14 machines : x days

14 × x = 8 × 7

14x = 56

x = $\frac{56}{14}$