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Amanda [17]
3 years ago
14

juila has 3 1/2 pounds of dog food.she has to slit it quality among her 7 dogs how much food will each dog receive

Mathematics
1 answer:
azamat3 years ago
3 0
1/2 a pound per dog
3 1/2=3.5lbs
3.5÷7=.5
.5=1/2
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The sales tax on clothing in Nebraska is 5.5%. Calculate how much tax you need to pay on a shirt if it costs $18.20 before tax.
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Answer:

$1.00

Step-by-step explanation:

The tax rate in Nebraska = 5.5%

Cost of the shirt before tax = $18.20

Therefore:

Tax to be paid = 5.5% of $18.20

=0.055 \times \$18.20\\=\$1.00 $(correct to the nearest cent)

The amount you need to pay as tax is $1.00.

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3 years ago
How do you find the diameter of a circle with the circumference?
meriva
Hello : 
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2 years ago
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Jeff can weed the garden twice as fast as his sister Julia. Together they can weed the garden in 3 hours. How long would it take
Leona [35]
<h2>Hello!</h2>

The answer is:

The correct option is:

A) Jeff, 4.5 hours; Julia 9 hours.

<h2>Why?</h2>

To solve the problem, we need to write two equations using the given information.

So, writing the first equation we have:

We know that Jeff can weed the garden twice as fas as his sister Julia, so:

JeffRate=2JuliaRate

Also, from the statement we know that they can weed the garden in 3 hours, so, writing the second equation we have:

JeffRate+JuliaRate=\frac{1garden}{3hours}

Then, we need to substitute the first equation into the second equation in order to isolate Julia's rate, so, solving we have:

JeffRate+JuliaRate=\frac{1garden}{3hours}

2JuliaRate+JuliaRate=\frac{1garden}{3hours}

2JuliaRate+JuliaRate=\frac{1garden}{3hours}

3JuliaRate=\frac{1garden}{3hours}

JuliaRate=\frac{1garden}{3hours*3}=\frac{1garden}{9hours}

We have that Julia could weed the garden by herself in 9 hours.

So, calculating how long will it take to Jeff, we have:

JeffRate=2*JuliaRate\\\\JeffRate=2*\frac{1garden}{9hours}=\frac{2garden}{9hours}=\frac{1garden}{4.5hours}

We have that Jeff could weed the same garden by himself in 4.5 hours.

Hence, the correct option is:

A) Jeff, 4.5 hours; Julia 9 hours.

Have a nice day!

8 0
3 years ago
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