Simplify.

4n + 12 + 7n

The factory workers make 751 toys per day if they work 5 days per week how many toys will the workers make in 3 weeks

Pure acid is to be added to a 10% acid solution to obtain 72 L of a 20% acid solution. What amounts of each should be used? _L of pure acid solution and _L of 10% acid solution

A yo-yo factory has fixed operating costs of $2500 per day plus costs of $1.50 per yo-yo produced. If a yo-yo sells for $4.75, what is the minimum number that must be sold in a day to earn a profit?

What is ratio 18 out of 27 as a fraction in simplest form

A 24-ounce box of cornflakes cost $4.59. What is the unit rate

Mobile people moving company increased its number of employees from 22 to 27 what is the percent increase round to the nearest tenth of a percent

Which inequality correctly orders - 28,12,-19 and 2?

Six times the sum of a number and 3 equals 2

Sports stores sell skateboards for $112. last month the store sold 45 skateboards how much money did the store make from selling them?

Select steps that could be used to solve the equation 1 + 3x = - x + 4. add x, subtract 1, divide by 4 add x, subtract 4, divide by 4 subtract 3x, subtract 4, divide by 4 subtract 3x, subtract 4, divide by - 4 subtract 1, add x, divide by 4