For each month of next year, Company R's monthly revenue target is x dollars greater than its monthly revenue target for the preceding month. What is Company R's revenue target for March of next year?
(1) Company R's revenue target for December of next year is $310,000.
(2) Company R's revenue target for September of next year is $30,000 greater than its revenue target for June of next year.
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
EACH statement ALONE is sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient.
文中x是个未知数。。。
哎,只有我这sb把x当成一个已知数
+1
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J=target revenue for January
Stmt 1. J+11x=310,000
Two variables, insuff
Stmt 2. J+9x=J+5x +30,000 能算出X等于多少,但是如果不知道J的话,还是无法知道明天三月份的具体收入
Two variables, insuff
Together we have two equations with two variables. Suff
Ans C.