BU your vocabu A student surveyed 100 adults who took either vitamin C, zinc, or
echinacea supplements to prevent getting a cold. The adults were
asked if they had a cold or no cold in the last 30 days. The results
are shown in the table.
no cold cold
total
vitamin C 41
15 56
zinc
12
5 17
echinacea 21
27
total
74
26 100
6
For each of the following questions, enter your answers as a
decimal. Round to the nearest hundredth for number 1. Round to
the nearest thousandth for numbers 2 and 3.
1. What proportion of adults in the survey took echinacea?
2. What proportion of adults who took vitamin C reported having
a cold in the last 30 days?
3. What proportion of adults who reported having a cold took
zinc?

5x+10 is the correct one

hope this

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2 & 7

step-by-step explanation:

he climbs 300 ft/hr at a constant rate. the peak is at 1,500 ft.

when going up, he reaches 600 ft in 2 hours. remember, that he is going in a constant rate. divide 600 with 300:

600/300 = 2

assuming that he takes the same route back (meaning that it's a 1500 ft route back, you can solve.

note also that you are solving when he gets back to 600 ft after he reaches the peak.

first, find the amount of hours it takes to get up the peak. divide the total amount (1500), with the ft/her (300) to get the amount of hours (x):

1500/300 = x

x = 5

it takes jamie 5 hours to get up. now, he is returning down, and reaches 600 (his current destination). remember that he climbs at a constant 300 ft/hr. divide 600 with 300:

600/300 = x

x = 2

now add the two numbers together.

x = 5 + 2 = 7

jamie takes 7 hours to go up the mountain and reach his current position when descending.

(total amount/constant rate) = (time).

remember that it is a constant rate, so in total, when he gets back down the mountain, it will take the same amount of time as when he goes up. the total amount for the round trip is: 5 + 5 = 10.

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