Twenty pounds of a salt-water solution contains fifteen percent salt. How much salt is in the water?

1.5 lb

2 lb

3 lb

The length of a rectangle is 59 inches greater than twice the width

O lado de um triângulo equilátero mede 20cm. Determine as medidas do raio do círculo circunscrito e do apótema

Jennifer got a box of chocolates. the box is a right triangular prism shaped box. it is 7 inches long, and the triangular base measures 2 in x 3in x 4in. what is the surface area of the box of chocolates?

If one third of the class boys what is the ratio of girls to boys

Tyrone opens a savings account by depositing $75 in August. He increases each of the next monthly deposits by $10.

345mi + 3hr + 15 mph the slowest car traveled

Describe the values of c for which the equation has no solution. |x+8|=c

A prism of height 12" has a rhombus with diagonals 6" and 8" for a base. Find the volume

The weight of 100 identical samples of a substance is 1 pound. What is the weight of 10 samples?

A wave has a frequency of 100 Hz and a wavelength of 0.30 m. How do you find the wave speed?