Mark spent $21 on a magazine and some candy bars. If the magazine cost $5 and each candy bar cost $2, then how many candy bars d
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Your proportion should look something like this
After cross multiplication, you should end up with this equation
After dividing 4 on both sides, you should get that x=9
After cross multiplication, you should end up with this equation
After dividing 4 on both sides, you should get that x=9
