Question

Santana wants to give one-tenth of all his marbles, plus eight more to his brother. Which expression can Santana use to calculate how many of his total marbles (m) he wants to give to his brother? A) 8 - 10 m B) 8 + 10 m C) 8 + m 10 D) 8 - m 10

Answer 1

Answer: C. $\dfrac{1}{10}m+8$

Step-by-step explanation:

Let m be the number of marbles Santana has.

Given : Santana wants to give one-tenth of all his marbles, plus eight more to his brother.

Now, one-tenth of his marbles = $\dfrac{1}{10}m$

Then , the expression can Santana use to calculate how many of his total marbles (m) he wants to give to his brother is given by :-

$\dfrac{1}{10}m+8$

Answer 2

Solution: Let "m" be the number of marbles  Santana has.

First he wants to give one-tenth of his marbles to his brother. That is:

$\frac{1}{10} \times m$

He also wants to give 8 more marbles to his brother.

Therefore,

Santana wants to give $8 + \frac{m}{10}$ marbles to his brother