exam Maths Puzzle Numerical Ability


how many gallons of a 70% antifreeze solution must be mixed with 100 gallons of 25% antifreeze to get a mixture that is 60% antifreeze? Use the six-step method

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exam Other Question
Express the following into single logarithm:
a.) log3 13 + 2/3 log3 7 - 2 log3 4
b.) log7 72 + 1/3 log7 36 find a linear function whose graph has a slope=-3 and a y-intercept of (0,-5)