450-150=300
300 divided by 8= m
M= 37.5 minutes
5-2x=12
-2x=12-5
-2x=7 (multiplying by -1)
2x=-7
x= -7/2 = -3,5
Answer:
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Step-by-step explanation:
The painting that wins first prize has an area that is 3.2 times smaller than the greatest area. Hence, there is area of 938.45 cm² of first prize painting.