algebra

A woman is paid $20 for each day she works and forfeits $5 for each day she is idle. At the end of 25 days she nets $450. How many days did she work?

What do you call a radical expressing an irrational number?

A lady gives a dinner party for six guests. In how many ways can they be selected from among 10 friends?

Which of the following has no middle term?

A family’s electricity bill averages $80 a month for seven months of the year and $20 a month for the rest of the year. If the family’s bill were averaged over the entire year, what would the monthly bill be?

A firefighter determines that the length of hose needed to reach a particular building is 131 m. If the available hoses are 47 m long, how many sections of hose connected together will it take to reach the building?

If the average person throws away 38.6 pounds of trash every day, how much trash would the average person throw away in one week?

\(\left(\dfrac{2}{3} - \dfrac{1}{4}\right) \div \left(\dfrac{3}{8} + \dfrac{1}{2} + \dfrac{1}{6}\right) = ?\)

When a baby was born he weighed 8 lbs. and 12 oz. After two weeks, at his checkup, he had gained 8 oz. What is his weight now in lbs. and oz.?

An equation of the form \(\dfrac{a}{b} = \dfrac{c}{d}\) is

Michael’s favorite cake recipe calls for 0.75 pounds of flour, and he has a 5 pound bag. He wants to make several cakes for the school bake sale. How many cakes can he make?

A second hand scientific calculator was sold to Michael for P600. The original price of the item was P800. How many percent discount was given to him?

What is the solution set of \(|2(x - 1) - 15| = 7\)?

Robert has 50 coins, all in nickels and dimes, amounting to $3.50. How many nickels does he have?

Totoy is 5 ft 11 in. Nancy is 6 ft 5 in. What is the difference in their heights?

5-year-old Tomas can tie his left shoelace in 1.5 min and his right shoelace in 1.6 min. How long will it take him to tie both shoelaces?

In a school, 30 percent of students are involved in athletics. 15 percent of these play football. What percent of the students in the school play football?

Which of the following is divisible by 6?

The cost of operating a vehicle is given by \(C(x) = 0.25x + 1{,}600\), where x is in miles. If Jam just bought a vehicle and plans to spend between P5,350 and P5,600, find the range of distance she can travel.

Simplify \(\dfrac{x}{x - y} + \dfrac{y}{y - x}\).