3/10=30/100=30%
7/20=35/100=35%
8/25=32/100=32%
4(c+12)=2c+18
4c+12c=2c+18
4c-2c=18-48
2c=-30
c= -30/2
c= -15
Adding a negative is same as subtraction
-5+78-32
73-32
41
Multiply 80 by 5/8ths.
80*5/8=50
Answer:
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Step-by-step explanation:
