Matt drank a super tall glass of soda pop which had 200mg of caffeine. his body can process about 15% of the caffeine every hour which of the following best models the number of milligrams of caffeine, c, remaining in his body h hours after he drank that soda pop? 1. c(w)=200*(.85)^h 2. c(w)=200*(.15)^h 3. c(w)=200-85h 4. c(w)=200-15h

answer: a.   one is a factor of every whole number since every number is divisible by itself.

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.

the answer for the second equation is (4,0)

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