19. a half-gallon carton of organic milk costs $4.45 now and the price is increasing by 10 percent each year. what will be the price of the milk in 5 year

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after 1 year: 221 deer

step-by-step explanation:

30% of 170 is 51. 170+51=221

1,407.5 hours

step-by-step explanation:

we first convert all the time to hours and then sum them up.

there are 24 hours in 1 day, in 58 days, there are 24 x 58 = 1,392 hours.

there are 60 minutes in 1 hour, thus, 30 minutes will be equivalent to 30 / 60 = 0.5 hours.

therefore, the number of hours it will take mercury to complete a full rotation is 1,392 + 15 + 0.5 = 1,407.5 hours