0.60(Z-300)+0.05z=0.70Z-0.41(500)?

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0.60(Z-300)+0.05z=0.70Z-0.41(500)?

Can you help me with this math problem
0.60(Z-300)+0.05z=0.70Z-0.41(500)

Even when I check it my answer is wrong

2006-06-15 08:17:18 · 2 answers · asked by Anonymous in Education & Reference ➔ Home Schooling

0.60(Z-300)+0.05z=0.70Z-0.41(500)

2006-06-15 09:03:41 · update #1

2 answers

0.60(Z-300)+0.05z=0.70Z-0.41(500)
0.60z - 180 + 0.05z = 0.70z - 205
0.60z + 0.05z - 0.70z = -205 + 180
-0.05z = -25
(-0.05z = -25) -
0.05z = 25
z = 25/0.05
z = 500

^_^

2006-06-15 11:07:30 · answer #1 · answered by ddeity_inc 3 · 0⤊ 0⤋

What comes after the (5... ?

2006-06-15 08:43:25 · answer #2 · answered by Steve A 7 · 0⤊ 0⤋