book Maths Puzzle Numerical Ability

5x+4=-11

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distance from stockton:pratt 53,oswego113, neville 110, larkins 305. the drive to pratt from stockton takes about 1 hour. at this same speed about how long will it take to get to l A specialty coffee store creates a special mix of two coffees at two different prices: $6.42 and $7.28 per pound each. How many pounds of the $7.28 coffee should be mixed with 7 pounds of $6.42 coffee to sell the mixture for $7.20 per pound?