John has 300 watermelons. He sells 150. How many does he have?

In the jazz band, 8 out of 24 students are in eighth grade. What percent of the students are not in eighth grade?

Solve 3bc + 4a + 6c when a=4, b=6, c=8

You work for a rental car company. If customers return a car with under half a tank of gas, they are charged $8 per gallon of gas to fill up the tank. Otherwise, it costs $4 per gallon of gas to fill up the tank.

A carpenter is making a brace for a chair. To do so she intersect two pieces of wood to make two sets of vertical angles. The obtuse angles formed are 145°. what is the measurement for each acute angle formed

What fraction makes 70%

A rectangular park is w feet wide. Its length is 25 feet larger than its width. Record using algebra: What is the length of a fence (including the gates) that was built around the park?

Less expensive and cleaner than power plants that use fossil fuels, why are they not used on a larger scale?

5. A boat can travel 45 miles on 7 gallons of gasoline. How much gasoline will it need to go 78 miles?

Herman is building a picnic table for a campground. The picnic table is 5feet 10inches long. Herman built the picnic table in 2 days. The first day he worked for 3 hours 45 min. The second day he worked for 2 hours 10 min long.

What is 0.6767 as a simplified fraction