Performance TaskAlberto's Fish TankAlberto gets a fish-tank kit for his birthday.The kit comeswiha 15-gallon tank, bags of colored gravel, and water-cleaningdrops. Use this information to answer questions 1-4. Show yourwork. Write all answers in simplest form.1. The chart below shows how much of each color of gravelAlberto puts in the bottom of his fish tank.ColorBlackGravel(pounds)a. How many pounds of gravel does Alberto put in the tank?

Answers

Answer 1

Answer: 5 1/2 + 5 7/8 + 6 1/2 + 3 1/8 = ???

First take the two 1/2's and multiply the denominator and numerator by 4 because 4 times 2 = 8.

You will get two 4/8's

4/8 + 4/8= 8/8

8/8= 1 whole.
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Now take 7/8 + 1/8 = 8/8 that will turn into 1 whole too.

5+5+6+3= 19.

Now take your two added wholes( 2 wholes) and add.

2+19= 21

There is your answer is 21 pounds.

Answer 2

Answer:

Alberto adds 21 pounds of gravel to the tank.

How much gravel does Alberto add to the tank in pounds?

The pound is a unit of weight that is predominantly used in the United States of America, Great Britain, as well as other English-speaking nations. In general, a pound is equivalent to 0.454 kilogrammes. A quantity linked with anything is considered to weigh one pound if it contains that much.

The majority of the English-speaking world, including Britain, America, and other countries, uses the pound as a unit of weight. A pound is roughly equal to 0.454 kilogrammes. A quantity of anything is said to weight one kilogram if it weights that much.

5 1/2 + 5 7/8 + 6 1/2 + 3 1/8 = ???

First take the two 1/2's and Since 4 times 2 equals 8, multiply the denominator & numerator by 4.

You will get two 4/8's

4/8 + 4/8= 8/8

8/8= 1 whole.

Now take 7/8 + 1/8 = 8/8 that will turn into 1 whole too.

5+5+6+3= 19.

Now take your two added wholes( 2 wholes) and add.

2+19= 21

There is your answer is 21 pounds.

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The scatter plot below shows the number of pizzas sold during weeks when different numbers of coupons were issued. The equation represents the linear model for this data.y = 3.4x + 43

According to the model, what is the average number of pizzas sold in one night if no coupons are issued?

A. 0

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Answers

Answer:

The average number of pizzas sold in one night if no coupons are issued is 43.

Step-by-step explanation:

In the scatter plot the average number of pizzas sold is represented on x and number of coupons issued is represented on y.

The trend line of this linear model is $y = 3.4x + 43$

So, when no coupons are issued then the value of x becomes 0, then putting the value of x in the equation,

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Therefore, the average number of pizzas sold in one night if no coupons are issued is 43.

Answer:

The correct answer option C.

Step-by-step explanation:

Let x be the number of coupons issued.

Let y be the number of the pizzas sold.

The given equation:

$y=3.4x+43$

This given equation of an straight line.

Number of pizzas when no coupons were issued.

$y=3.4x+43=3.4* 0+43=43$

43 number of pizzas were sold in one night.

Hence, the correct answer option C.

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Answers

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Answers

Assume it's width is x. The length, which is twice as long, is then 2x.
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