Answer:The function is a direct variation function with a constant
of variation of 1.5.
Step-by-step explanation:
2(40)+20 = 100m
40+20= 60m
100x60= 6000m
6/6= 100%= 1.00= 6:6----------7/10=70%=0.7=7:10
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https://www.rapidtables.com/convert/number/Fraction_to_Decimal.html