182. 17777-!-item-!-187;#058&011599
If m and r are two numbers on a number line, what is the value of r ?
(1) The distance between r and 0 is 3 times the distance between m and 0 .
(2) 12 is halfway between m and r.
請問一下這題答案為什麼是E?? 我覺得是C啊. 1)+2)不是可以算出r=18嗎?
我試了很多次都沒有別的answer that will work. 麻煩幫我解答一下,謝謝!!