Sandra saves 12% of her salary for retirement. This year her salary was $3,000 more than in the previous year, and she saved $4,200. What was her salary in the previous year? whats the equation?

Jacob is building a dog house. He has a piece of wood that is 10 1/2 feet long. He has used 1 3/4 feet. How much wood does he have left?

About how long would it take for one of the footprints left by the apollo astronauts to be erased? (hints: use the moon's surface area to determine the impact rate per square centimeter, and estimate the size of a footprint.)

How long does it take Natsumi to clean up after she is done? TABLE:. AREA TIME 30. 2 45. 2.75 60. 3.5

Find the missing data item given the following values. 25, 28, 21, x, 32 Mean = 26 A. 24 B. 30 C. 27 D. 26

One ingredient of a recipe is 3/8 cup of milk. What part of a cup is needed to make one-half of the recipe?

Math problem:50-2+29-7+2-1+2=

There aré 6 rows of 16 chair set yo for the Third-grade play. in the first 4 rows, 2 chair on each end are reserved for Teachers the rest of the chair are for student how many chair are there for student?

The solution set of x^2 - 64 = O Is

A group of children and their parents went to an amusement park. There were a total of 40 people in the group. The tickets cost $22 for each adult and $18 for each child. They paid a total of $820 for the tickets.

Workers install 600 chairs at a constant rate. After 4 days, the workers still have to install 360 chairs. How much time does it take to install the chairs from start to finish?