Mathematics: At another sanctuary, the number of nesting turtles decreased by 10%. this year there were 234 nesting turtles. how many nesting turtles were at this sanctuary last year?

At another sanctuary, the number of nesting turtles

Ответ:

austinkellylay

12.01.2022

Mathematics

260 nesting turtles were at this sanctuary last year

Step-by-step explanation:

Given:

The number of nesting turtles decreased = 10%

Number of turtles present in sanctuary this year = 234

To Find:

Number of nesting turtles present at this sanctuary last year= ?

Solution:

Let the number of nesting turtles present at this sanctuary last year be x

Then,

x- 10% of x = Number of turtles present in sanctuary this year

x- 10% of x = 234

$x- (\frac{10}{100} \times x) = 234$

$x- (\frac{1}{10} \times x) = 234$

$x- (\frac{x}{10}) = 234$

$\frac{10x-x}{10}=234$

$\frac{9x}{10}=234$

$9x=234\times 10$

9x=2340

$x=\frac{2340}{9}$

x= 260

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Ответ:

neverfnmind

27.07.2020

Mathematics

The correct option is 1.

Step-by-step explanation:

It is given that the glacier is moving at a rate of 0.3 inches every hour. It means the average rate of change is 0.3.

Let d is the total moved distance of glacier and t is number of hours. Then the total moved distance of glacier after t hours is defined as

d=0.3t

At t=1,

d=0.3(1)=0.3

At t=2,

d=0.3(2)=0.6

At t=3,

d=0.3(3)=0.9

At t=4,

d=0.3(4)=1.2

Total moved distance of glacier after 4 hours is 1.2 inches.

The value of x is 1.2. Therefore the correct option is 1.

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At another sanctuary, the number of nesting turtles decreased by 10%. this year there were 234 nesting turtles. how many nesting turtles were at this sanctuary last year?

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