A and b are the minutes spent on machine A and machine B, respectively.
a+b = 40
b = 40-a
8a + 6b = 300
8a + 6(40-a) = 300
8a + 240 - 6a = 300
2a = 60
a = 30
b = 40-a = 10
30 minutes on machine A and 10 minutes on machine B
3/10=0.3=30%
725/1000=0.725=72.5%
4/10=0.4=40%
1.) -15
2.) 104
3.) 220
4.) -11
5.) -9
6.) 705
Answer:
Step-by-step explanation:
Answer:
360 people
Step-by-step explanation:
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