exam Maths Puzzle Numerical Ability

Computation

(-1) - 5 =

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exam Other Question

if you invest $5,000 for a year and earn $400 invest,what is the annual interest rate ?( use the formula i=prt.) A chef cooks 9 lbs. of chicken for 36 people and 17lbs. of chicken for 68 people. Find the rate of change for the situation. I think it is 9/17 lb. per person right?????