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drek231 [11]
3 years ago
12

Colton gave the cashier $20 to pay for 3 pair of socks. The cashier gave him $5.03 in change. Each pair of socks cost the same a

mount. What is the cost in dollars and cents for each pair of socks? *
Mathematics
1 answer:
mote1985 [20]3 years ago
8 0
Let’s say x represents a pair of socks.

20-3x=5.03
Subtract the 20 over
-3x= -14.97
Divide by -3 on both sides
X=4.99

Each pair costs $4.99
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Answer:

a) P(t) = 22000(1.071)^{t}

b) The population increases 7.1% each year.

Step-by-step explanation:

The continuous population growth model is given by:

P(t) = P_{0}(1+r)^{t}

In which P(t) is the population after t years, P_{0} is the initial population and r is the growth rate.

In this problem, we have that:

A population grows from its initial levelof 22,000 at a continuous growth rcte of 7.1% per year.

This means that P_{0} = 22000, r = 0.071

a) Write a function to model the population increase.

P(t) = 22000(1 + 0.071)~{t}

P(t) = 22000(1.071)^{t}

b) By what percent does the populaiion increase each year?

r = 0.071

So the population increases 7.1% each year.

6 0
3 years ago
The sides of a quadrilateral are in the ratio 1:2:3:6. The perimeter is 138 cm. Find the
Helga [31]

Answer:11.5cm, 23cm, 34.5 cm, 69cm

Step-by-step explanation:

1+2+3+6=12

138/12=11.5

First side=11.5cm

Second side=11.5x2=23cm

Third side=11.5x3=34.5cm

Fourth side=11.5x6=69cm

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The garden club earn $15 per hour by weedingneighbor heard gardens for t hours. A generous donor has agreed to double their earn
adell [148]
What is the question that your trying to give off
8 0
3 years ago
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Step-by-step explanation:

3 0
3 years ago
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A train travels 430 miles in 5 hours at a constant speed. If its speed remains the same, how long will it take to travel the rem
Taya2010 [7]

Answer:

2.5 hours

Step-by-step explanation:

To get the hourly speed, we need to divide 430 by 5.

This means that the train is going at a speed of 86 miles/hour.

Since we need to find the hour, we need to divide 215 miles by 86 miles/hour.

215 miles / \frac{86 miles}{hour}

We can use the keep change flip to do 215 miles * \frac{1 hour}{86 miles}

This would give us 2.5 hours.

5 0
2 years ago
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