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
