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Cross Multiply
CONCEPTS
Cross Multiply Equation
Cross Multiply Word Problems
• Word problems where you cross multiple have 3 numbers and 2 variables. Look out for this in the problems.
PRACTICE PROBLEMS
Question 1 If a/b = (a + b)/c, write an expression in terms of c
-- Answer -- 9/8
c (a/b) = (a + b)
c = (a + b) (b/a)
ACT PRACTICE PROBLEMS
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