The answer is c. You do: 8•7•6•5 There are 8 fruits that you can choose from and every one of them can go with 7 different fruits which can go with 6 different fruits which can go with 5 different fruits. You do that thing four times because you said that he can choose 4 fruits.
Well you'd need to convert 45 miles to km 45m = 539.72km. So the car goes 539.72km an hour. Now divide 869 by that to get how long it would take. You get about 1.61 hours.
A: 700÷4=175 (700 people divided into 4 hours is 175 people per hour). b: 700-270=430 (700 people to be fed minus the 270 already fed is 430 people left to be fed). I hope this helps!