Answer:
1. $145
2. 45+25x=total $
Step-by-step explanation:
45+(25•4)=145
19.6% because 98 multiplied by .20 which is 20 percent is 19.6
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-6 and -6 because -6 + -6 = -12 , you could also have -8 and -4 because -8 + -4 = -12, or you could also have -10 and -2 because -10 + -2 = -12