Mathematics, 18.11.2020 01:00 sierraroeser
One printing machine printed 500 books in 40 hours this week. A second printing machine printed for 30 hours this week but printed books at twice the hourly rate of the first machine. How many books did the second machine print this week?
A.375
B.500
C.750
D.1,000
Can somebody help me plz
Answers: 3
Mathematics, 21.06.2019 13:00
1.) 2x + y = 3 2.) x - 2y = -1 if equation 1 is multiplied by 2 and then the equations are added, the result is a.3x = 2 b.3x = 5 c.5x = 5
Answers: 1
Mathematics, 21.06.2019 14:30
Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left
Answers: 3
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