Mathematics, 28.11.2019 07:31 nscarlisleh13
Melinda and paula shovel driveways and sidewalks in the winter as a way to earn extra money. together they shoveled 450 square feet of sidewalk in 30 minutes. then melinda shoveled for 20 minutes while paula shoveled for 25 minutes to complete 345 square feet of driveway.
30x + 30y = 450
20x + 25y = 345
how much more can paula shovel in 1 minute than melinda?
3 square feet per minute
6 square feet per minute
9 square feet per minute
15 square feet per minute
Answers: 1
Mathematics, 21.06.2019 16:30
Anyone know? is appreciated! will mark brainliest if correct!
Answers: 2
Mathematics, 21.06.2019 18:30
Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)
Answers: 1
Mathematics, 21.06.2019 23:20
Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?
Answers: 1
Melinda and paula shovel driveways and sidewalks in the winter as a way to earn extra money. togethe...
Social Studies, 05.05.2020 16:09
History, 05.05.2020 16:09
Chemistry, 05.05.2020 16:09
History, 05.05.2020 16:09
Biology, 05.05.2020 16:09
Physics, 05.05.2020 16:09
English, 05.05.2020 16:09
Mathematics, 05.05.2020 16:09
Mathematics, 05.05.2020 16:09
Mathematics, 05.05.2020 16:09