allison has 5 times as many baseball cards as football cards.in all,she has 120 baseball and football cards.how many baseball ca rds does she have?
2 answers:
This is a system of equations problem. The variable for baseball cards will be b, and the variable for football cards will be f. f=5b f+b=120 Use substitution to solve the problem. Substitute 5b in for f, for they equal the same thing. (5b)+b=120 6b=120 b=20 She has 20 baseball cards.
<span>If Allison has x football cards she will have 5x baseball cards. So x + 5x = 120 6x = 120 x = 120/6 = 20 Allison 5x baseball cards so 20*5 = 100 baseball cards</span><span> </span>
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