exam
Maths Puzzle
Numerical Ability
4-3(2b+4) = 6-2(3b-1)
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exam Other Question
in this equation i need to use substitution!!
please help me!!!
thank you!
y=3x
x=2y=-21
A woman buys 3 pairs of jeans for $99.84, including tax. If each pair of jeans cost $32, what was the sales tax?