D) a numerical expressions
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10:18 is an equivalent ratio.
8 maybe? I’m really not sure but I just did 5x1.6
He buyed 240 cards because
20
x
12
-----
40
+
20
-------
240
Answer:
q. (3+t)=2-4t
q.3+q.t=2-4t
4t+q.t=2-3q
t (4+q)=2-3q
t=2-3q/4+q
Step-by-step explanation:
PLZZ MARK AS BRAINLIEST!!!!!
