exam
Maths Puzzle
Numerical Ability
(c^3-2c^2-5c+3)+(c^2+2c-1)
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exam Other Question
Show this problem as the following properties.
6 * (5 + 4)
(a) Distributive property
(b) Commutative property of addition
(c) Commutative property of multiplication
Suppose that one solution is 50% alcohol and another solution is 80% alcohol. HOw many liters of each solution should be mixed to make 10.5 liters of a 70% alcohol solution?