Answer:
A.
Qs= 0+5(2)
Qs= 0+10
Qs= 10
20=0+5P
-5P=0-20
-5P=-20 (÷ both by -5)
P=4
Qs=0+5(6)
Qs=0+30
Qs=30
40=0+5P
-5P=0-40
-5P=-40 (÷ both by -5)
P=8
Qs=0+5(10)
Qs=0+50
Qs=50
B.
Qs=-100+20(5)
Qs=-100+100
Qs=0
100=-100+20P
-20P=-100-100
-20P=-200(÷ both by -20)
P=10
Qs=-100+20(15)
Qs=-100+300
Qs=200
300=-100+20P
-20P=-100-300
-20P=-400 (÷ both by -20)
P=20
Qs=-100+20(25)
Qs=-100+500
Qs=400
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Answers & Comments
Answer:
A.
Qs= 0+5(2)
Qs= 0+10
Qs= 10
20=0+5P
-5P=0-20
-5P=-20 (÷ both by -5)
P=4
Qs=0+5(6)
Qs=0+30
Qs=30
40=0+5P
-5P=0-40
-5P=-40 (÷ both by -5)
P=8
Qs=0+5(10)
Qs=0+50
Qs=50
B.
Qs=-100+20(5)
Qs=-100+100
Qs=0
100=-100+20P
-20P=-100-100
-20P=-200(÷ both by -20)
P=10
Qs=-100+20(15)
Qs=-100+300
Qs=200
300=-100+20P
-20P=-100-300
-20P=-400 (÷ both by -20)
P=20
Qs=-100+20(25)
Qs=-100+500
Qs=400