In a group of 20 students there are 11 girls. What is the ratio of boys to girls?
a) 9:11 There are 11 girls. 20 - 11=9. There are 9 boys.
A drawing of a deck has a scale of 1 inch equal to 5 feet. The actual deck is 18 feet long. How long is the deck in the scale drawing?
3.6 inches
A city's daily low temperatures in January fluctuated between -7 degrees F and 2 degrees F. What was the temperature range?
9 degrees F
On a map, 1 cm represents 3km. The distance between the airport and the bus station on the map is 5.4cm. What is the actual distance between the airport and the bus station.
16.2 km
The manufacturer's price for a tent is $28.50. A camping store that bought the tents sells them for $40.76. Approximately what was the percent of increase in the price of the tents?
43%
What is the approximate volume of a cylinder with a radius of 4 feet and a height of 15 feet?
754 cubic feet
Larry spent $34.00 for 12 gallons of gasoline. At the same price per gallon how many gallons could he buy for $51.00?
18 gallons
Donna has a cube that measures 7cm on each edge.
What is b) 297cm^2
A copying machine reduces a 12-inch line segment to 10.5 inches. At this setting, what would a 16-inch line segment become?
14 inches