520 dollars for 4 train tickets and 3 bus tickets.
To find out multiply 9 and 4/5
9•4/5
7.2 or 7 1/5
Answer:
Step-by-step explanation:
56n+24 = 24 + 7n
49n + 24 = 24
49n = 0
n = 0
solution
Answer:
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Ok, so we kno that
A + B = 90
we also know that
A - B = 20
There are a lot of ways to solve this, but I think elimination will be best
A + B = 90
+ (A - B = 20)
-----------------------
2A = 110
A = 55
Therefore,
B = 90 - 55 = 35
