Apark ranger calculated that 60% of the deer they tagged were male. of the male deer that
were tagged, 20% of them were older than 4 years. they tagged 18 male deer that were
older than 4 years. how many deer did they tag?
a
45

They tagged 90 male deer s

Explanation:

Given a park ranger calculated 60% of male deer

Consider the deer they tagged to be x

According to question,

20% of deer were older than 4 years which equals 18

Then, 20% of x = 18

Solving for x,

x = 1800/20

x = 90

So, they tagged 90 male deer

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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the system of inequity is

step-by-step explanation:

from the given graph it is noticed that we have two related lines. one is solid and another is dashed.

if a line passing through two points, then the equation of line is

the solid line passing through the points (0,4) and (4,0).

the related equation of solid line is .

similarly, find the related equation of dashed line. the dashed liune passing through the points (0,0) and (3,1).

the related equation of dashed line is

from the given graph it is noticed that the point (0,1) lies on the shaded region, therefore the point (0,1) must be satisfied by the related equations.

check the related equations by the point (0,1).

this statement is true if the sign of inequality is < instead of equality. since it is an solid line therefore the sign of inequality will be . the required inequality is

similarly, check the second related equation.

it is a dashed line, so this statement is true if the sign of inequality is > . the required inequality is