Required algebraic expression is 5 + 2x
Answer:
Step-by-step explanation:
Let f represent the number of first-class tickets that Sarah bought. Then she bought (16-f) coach tickets. Her total spending for airfare was ...
1140f +160(16-f) = 9420
980f +2560 = 9420 . . . . simplify
980f = 6860 . . . . . . . . subtract 2560
f = 7 . . . . . . . . . . . . . divide by 980; number of first-class tickets
(16-f) = 9 . . . . . coach tickets
Sarah bought 7 first-class tickets and 9 coach tickets.
Answer:
I think its sometimes sorry if im wrong
Answer:
-0.9
Step-by-step explanation:
-1.7 - (-0.8)
= -1.7 + 0.8
= -0.9
Both are getting bigger or increasing you need to rephrase the question
