02-03-2017
Mathematics

contestada

Please, help me find solution

Please help me find solution class=

Respuesta :

lordnewell lordnewell

13-03-2017

4 + 5 = 9
180 ÷ 9 = 20

Sand = 20×4 = 80
Cement = 20×5 = 100

Answer Link

Otras preguntas

question in screenshot v easy!

Why was Richmond considered a symbol of the confederacy

the word pessimism refers to a

If the coordinates of a polygon graphed in the first quadrant with one vertex on the origin are (0,0), (a,0), (a,a), (0,a), then what is the most precise name f

what is the value of the expression? [(1 5)⋅2−5]⋅2

what is necessary for a convection cell to be set up in a fluid? a. thermal gradient b. changes in density c. thermal gradient and changes in density

A square floor has an area of 361 square ft. What is the measure of one side of the floor?

How long is the life expectancy of dolphins

sara tells michael she is 160 centimeters tall while michael says he is 60 inches tall. if there are 2.54 centimeters in an inch who is taller?

an endoscopic nasal surgical approach will be inserted through the