Time h (hours) Distance d (miles) 2 230 I 2.5 200 3 170 3.5 140

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out