f+b=160 and f = 2b+12 can be used to find out the number of football cards and number of baseball cards Joey has.
Step-by-step explanation:
Given,
Total cards Joey have = 160
Let,
f be the number of football cards.
b be the number of baseball cards.
According to given statement;
f+b=160 Eqn 1
The number of football cards, f, is 12 more than twice the number of baseball cards.
f = 2b+12 Eqn 2
f+b=160 and f = 2b+12 can be used to find out the number of football cards and number of baseball cards Joey has.
Keywords: linear equation, variable
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