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3 years ago

55% of 387 is what number?

Mathematics

2 answers:

yarga [219]3 years ago

6 0

Answer:

212.85

Step-by-step explanation:

55% = $\frac{55}{100}$ = 0.55

55% of 387 = 0.55 × 387 = 212.85

Alenkinab [10]3 years ago

4 0

Answer:

212.85

Step-by-step explanation:

$\frac{55}{100} \times 387 = \frac{21285}{100} = 212.85$

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sergejj [24]

85 comes immediately before

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2 years ago

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bulgar [2K]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

The time t required to drive certain distance varies inversely with the speed r. It takes 2 hours to drive the distance at 40 mi

Roman55 [17]

Answer:

$\frac{16}{9}$ hours

Step-by-step explanation:

Whenever 2 quantities (suppose a and b) are inversely proportional to each other, we can write an proportionality equation (with k as proportional constant) as:

$a=\frac{k}{b}$

Since, here t is INVERSELY PROPORTIONAL to r, we can say:

$t=\frac{k}{r}$

Firstly, we have t = 2 hour and r = 40 mph, so we find k:

$t=\frac{k}{r}\\2=\frac{k}{40}\\k=2*40\\k=80$

Now, secondly, we have r = 45 and k = 80, we need to find t:

$t=\frac{80}{45}\\t=\frac{16}{9}$

So, it would take $\frac{16}{9}$ hours

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2 years ago

A scientific calculator has 42 buttons. There are twice as many grey buttons as orange buttons. There are two more white buttons

Arlecino [84]

Answer:

x + 2x + 2x + 2 + 4x + 4 = 42

Step-by-step explanation:

Let us assume the number of orange buttons be x

So, the grey buttons be 2x

The white buttons would be 2x + 2

And the black buttons be 2(2x + 2) i.e. 4x + 4

Also the total is 42 buttons

So, the equation is

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2 years ago

You choose a marble at random from a bag containing 8 brown marbles 6 yellow marbles and one purple marble. You replace the marb

Andrej [43]

Pick 1: 6 yellow out of 15 total marbles = 6/15 = 2/5
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Pick 1 AND Pick 2
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2 years ago