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Sati [7]
3 years ago
6

Stephen is baking cookies for his school bake sale. He bakes 300 cookies.

Mathematics
1 answer:
Evgen [1.6K]3 years ago
8 0

Answer:

The number of lemon cookies is 75

Step-by-step explanation:

we know that

The total cookies are 300

Let

x ----> the number of lemon cookies

x=300(1-\frac{1}{2} -\frac{3}{20}-\frac{1}{10})

Multiply by 20 both sides to remove the fractions

20x=300(20)-300(10)-300(3)-300(2)

20x=1,500

x=75

therefore

The number of lemon cookies is 75

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How many kilometers are in 765 yards? 1 yard = 3 feet 1 mile = 5,280 feet 1 kilometer = 0.621 miles
luda_lava [24]

Answer:

There are 0.70km in 765 yards.

Step-by-step explanation:

This is a problem of conversion of units, that can be solved by multiple rule of three's.

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So, in 765 yards there are 2295 feet.

Now, we have to convert 2295 feet to miles. Each mile has 5280 feet, so:

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5280x = 2295

x = 0.435 miles

So, in 765 yards there are 2295 feet which is 0.435 miles

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1km - 0.621 miles

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