exam Maths Puzzle Numerical Ability

A child weighs 35lbs. There is an order for Keflex 150mg every 6 hours. The usual children's dosage is 25 to 50 mg per kg in four divided doses. Keflex comes in 125mg per 5ml. What

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Write the equation of the line passing through each of the given pairs of points. Write your result in slope-intercept form. A) (-1, 3) and (4, -2); B) (2, -3) and (2, 4).

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Ellen mixes nuts worth $1.60 per pound with oats worth $1.40 per pound to get 20 lbs of trail mix worth $1.54 per pound. How many pounds of nuts and how many pounds of oats should she use?