Twelve people ordered calculators. The least expensive was $5.95 and the most expensive was $12.95. Half ordered a $9.95 calculator. Select the best estimate of the amount spent on calculators.

In a recent year, 18.3% of all registered doctors were female. If there were 59,300 female registered doctors that year, what was the total number of registered doctors? Round your answer to the nearest whole number.

The local school district plans to build a new school addition for $962,300. According to the local economic development president, 67% of each dollar spent will be “re-spent” in the local community. Based on this prediction, calculate the maximum overall impact of this building project. Round your answer to the nearest $100.   Group of answer choices $2,916,100 $995,000 $1,953,800 $2,948,800

Americans consume 7 billion hot dogs from Memorial Day through Labor Day. This is 35% of the hot dogs consumed annually in the United States. (Source: National Hot Dog & Sausage Council: American Meat Institute) How many hot dogs do Americans consume annually?

In 2015, the United States had a population of 317.1 million people. Of these, 161 million were women. What percent of all people in the United States were women in 2015? Round your answer to the nearest tenth of a percent. Round your answer to the nearest tenth of a percent. Show calculations and clearly report your final answer.

There was 15 swimmers in the pool and 225 runners on the track at the local gym. No one else was using the gym.? what is the ratio of runners to swimmers? what is the ratio of swimmers to gym users?

About 3.2 million SMART boards have been sold, 2.8 million to schools.  What is the ratio of the number of SMART boards in schools to the number of SMART boards not in schools?

A sharknado destroyed 17 houses in the neighborhood. If the sharknado destroyed 7% of the houses in the neighborhood, about how many total houses are (or were) in the neighborhood?