algebraic expressions - equation
(Write down an equation connecting the unknown)
3.Rose's money is less than half of Mary's by $120.Rose has $39.
Let $x be the amount that Mary has.
And also,It is the best to explain the answers and the questions.
algebraic expressions - equation
2006-10-21 11:48 pm
回答 (1)
2006-10-22 12:32 am
✔ 最佳答案
Let $x be the amount that Mary has.x / 2 - 39 = 120
x / 2 = 120 + 39
x / 2 = 159
x = 159 * 2
x = 318
收錄日期: 2021-04-29 16:55:11
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