Mathematics, 23.03.2020 23:31 brae72
A contractor requires a cement mix that is 70% sand and 30% cement. He has 1400 kg of a cement mix that is 80% sand and 20% cement. How much cement should he add to this 1400 kg cement mix so that he gets the required mix?
Answers: 1
Mathematics, 21.06.2019 13:10
Aphoto of a painting measured 13 x 17 inches the scale of the photo to the original painting is 1 inch to 3 inches. what is the size of this painting
Answers: 1
Mathematics, 21.06.2019 21:00
Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)
Answers: 2
A contractor requires a cement mix that is 70% sand and 30% cement. He has 1400 kg of a cement mix t...
Mathematics, 30.01.2020 00:57
Mathematics, 30.01.2020 00:57
Mathematics, 30.01.2020 00:57
History, 30.01.2020 00:58
English, 30.01.2020 00:58
History, 30.01.2020 00:58
Mathematics, 30.01.2020 00:58
History, 30.01.2020 00:58