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3 years ago

Katie feeds her cat, Elmer, 2/3 of a cup of food each day. She buys a bag of cat food that contains 18 cups of dry

Mathematics

1 answer:

Natasha2012 [34]3 years ago

8 0

Answer:

Step-by-step explanation:

Set up a proportion.

1 day / (2/3 cup) = x/ 18 cups Cross Multiply

1 day * 18 cups = 2/3 cup * x Multiply both sides by 3

1 day * 18 cups * 3 = 2x

54 day cups = 2x cups Divide by 2

54 day cups/2 cups = x

27 days (The cups cancel)

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Step-by-step explanation:

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3 years ago

At what point do the lines y= 2x + 3 and y = 5x - 9 intersect?

QveST [7]

Answer:

(4,11)

Step-by-step explanation:

y=2x+3

y=5x-9

the first equation is equal to the second equation so

2x+3=5x-9

put like terms together

2x-5x= -9-3

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divide both sides by -3

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now, use the value of x to find the value of y like this:

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3 years ago

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3 years ago

Diane has 496 beads and Linda has 286 beads.

julia-pushkina [17]

Answer: 210 fewer beads.

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3 years ago

A cab company charges $0.80 per mile plus $2 for tolls. Melissa has at most $16 to spend on her cab fare. Write and solve an ine

Anna35 [415]

Answer:

The maximum distance is 17.5 miles

No she can't make to the airport.

Step-by-step explanation:

Given the cab charges $0.8 per mile and $2 for tolls.

let the miles travelled by melissa be x.

The total charge is $ $(0.8*x+2)$

Now given that she can spend a maximum of $16

so the inequality is

$0.8*x+2\leq 16$

$0.8*x\leq 14$

$x\leq \frac{14}{0.8}$

$x\leq 17.5$

Therefore the maximum distance she can travel is 17.5 miles

Since the distance to airport is 25 miles which is greater than 17.5 miles she cannot afford the cab.

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4 years ago