The sum of 15 and 5, divided by 10.

Mathematics

1 answer:

lozanna [386]3 years ago

5 0

Answer:

The correct answer is D. (15 + 5) /10

Step-by-step explanation:

Let's resolve the question, this way:

The sum of 15 and 5, divided by 10.

The sum of 15 and 5 = 15 + 5, but like the result of this addition will l be divided by another number, we should use the parenthesis.

So, we have (15 + 5)/10 because the sum of 15 and 5 is divided by 10 not just the second term, in this case 5.

The correct answer is D. (15 + 5) /10

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In a recent year, 31% of all college students were enrolled part-time. If 8.6 million college students were enrolled part-time t

Ronch [10]

Answer:

28 million college students.

Step-by-step explanation:

We can represent all college students as x. This means that all part-time college students are $\frac{31}{100}x$ . Because all part-time college students are also equal to 8.6 million, we have $8,600,000=\frac{31}{100}x$ . To find the number of total college students, or x, we have to multiply by 100/31 to get rid of the fraction on the other side:

$8,600,00\cdot\frac{100}{31}=x$

The left side of the equation evaluates as $27,741,935.5$ . Because we are asked to round to the nearest million, we have to round to 28 million, which is the closest.