1. 450g Ore 44g Iron 100 g ore Answer:2.0X 102 g Iron
A 100-gram sample of iron ore was found to contain 44 grams of iron. How many grams of iron are in a 450-gram sample of the ore
450g Ore 44g Iron
100 g ore
Answer:2.0X 102 g Iron

2. The density of a liquid is 0. 821 g/mL. What is the volume of 71
The density of a liquid is g/mL. What is the volume of 71.3 grams of this liquid?
71.3g 1mL .821g Answer 86.8 mL

3. If a soccer field has dimensions of 450 Meters X 220 Meters what is the area of the field in cm2?
450 X 220M= 99,000M2
99,000M CM = Answer 990,000,000 cM2
1 M

4. San Francisco to Los Angeles is 1,135 miles
San Francisco to Los Angeles is 1,135 miles. If your vehicle gets 40 miles/gallon, and gasoline costs $3.50 per gallon, what is the cost to drive to LA from San Francisco?
1,135 miles 1 gallon $3.50 $ miles 1 gallon

5. A recipe in metric calls for 250 mL of milk
A recipe in metric calls for 250 mL of milk. How many kL of milk should be used?
250 mL 1 L 1kL 1000mL 1000L 2.5 X10-4 kL

6. Miss Hollingworth ran a half marathon (13. 1miles) in 145 minutes
Miss Hollingworth ran a half marathon (13.1miles) in 145 minutes. How many seconds would it take her to run to Portland?(151 miles)
151 miles 145minutes 60 seconds 13.1 miles 1 minute 1.00 X 105 seconds