Solve:0.06x +0.09(15-x)=0.07 (15)
Answers
Answered by
25
Answer:
10
Step-by-step explanation:
0.06x + 0.09(15 - x ) = 0.07(15)
= 0.06x +1.35 - 0.09x = 0.07 * 15
= - 0.03x = 1.05 - 1.35
= 0.03x = 0.30
= x = 0.30/ 0.03
x= 30/3
= 10
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