Having diffculity with these questions need extra help ..?

Rice Krispies Cereal. The Nutritional Chart on the side of a Kellogg’s Rice Krispies Cereal States that there are 120 calories in a 11/4 Cup serving. How many calories are there in 5 cups of cereal?



Roy bicycled 234 mi in 14 days. At this rate, how far would Roy travel in 42 days?



Lefties. In a class of 40 students, on average, 6 will be left – handed .If a class includes 9 “lefties,” how many students would you estimate are in class?



Waterproofing. Bonnie can water proof 450 ft〖ft〗^2 of decking with 2 gal of sealant. How many gallons should bonnie buy for a 1200-〖ft〗^2 deck?



Coffee Production. Coffee beans from 14 trees are required to produce the 17 lb of coffee that the average person in the United States drinks each year. How many trees are required to produce 375 lb of coffee?



Snow to Water. Under typical conditions,1 1/2 ft of snow will melt to 2 in. Of water. To how many inches of water will 5 1/2 ft of snow melt?





Estimating a Trout population. To determine the number of trout in a lake, a conservationist catches 112 trout, tags them, and throws them back into the lake. Later, 82 trout are caught, and it is found that 32 of them are tagged. Estimate how many trout there are in the lake?



Map Scaling. On a map, 1/4 in. Represents 50 mi. If two cities are 3 1/4 in. apart on the map, how far apart are they in reality?Having diffculity with these questions need extra help ..?
5 / 1 1/4 = 4

4 * 120 = 480



42 / 14 = 3

234 * 3 = 702 miles



40 / 6 = 6.66

9 * 6.66 = 59.9 (60)



450 sq ft = 2 gallons

225 sq ft = 1 gallon

1200 sq ft / 225 sq ft = 5.33 gallons



14 trees = 17 lbs

1 tree = 17 / 14 = 1.214285714285714 lbs

375 lbs / 1.214285714285714 lbs = 308.82 (309) trees



18" ice = 2" water

9" ice = 1" water

65" ice = 65 / 9 = 7.22 ins water



112 / 32 = 3.5

82 * 3.5 = 287 trout



3 1/4 = 13/4

1/4 = 50 miles

13/4 = 50 * 13 = 650 miles