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2 years ago

Write 15 cookies to 40 brownies as a ratio in simplest form

Mathematics

2 answers:

BartSMP [9]2 years ago

6 0

15/5 =3, 40/5=8. 3/8 cannot be simplified, so 3/8 is the answer.

elixir [45]2 years ago

6 0

15 : 40 (would be the original ratio)

. . . but in simplest form

15 / 5 : 40 / 5

3 : 8

3 cookies : 8 cookies

or

3 cookies to 8 cookies

or

3 cookies / 8 cookies

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2 years ago

Lily finished a task in 3/4 hour .Ella finished it in 4/5 of time Lily took.How long did Ella take to finish the task?

Zarrin [17]

Time taken by Ella is 0.6 hour

Solution:

Lily finished a task in $\frac{3}{4}$ hour

Ella finished it in $\frac{4}{5}$ of time Lily took

To find: time taken by Ella to finish the task

Let "L" be the time taken by Lily

Time taken by Lily = L = $\frac{3}{4} \text{ hour }$

From given statement,

Time taken by Ella to finish the task is $\frac{4}{5}$ of time Lily took

Therefore,

Time taken by Ella = $\frac{4}{5}$ of time taken by Lily

$\text{ Time taken by Ella } = \frac{4}{5} \text{ of } \frac{3}{4}\\\\\text{ Time taken by Ella } = \frac{4}{5} \times \frac{3}{4}\\\\\text{ Time taken by Ella } = \frac{3}{5}\\\\\text{ Time taken by Ella } = 0.6$

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2 years ago

Can someone explain or help me with these problems Please and thank you

Ghella [55]

Answer:

1st picture (tri) = 16y+8

2nd picture (tri) = 12x-9

3rd picture (sq) = 21x+35

Step-by-step explanation:

Triangle area = (Base x Height) divided by 2

#1.) 16(2y+1) = 32y + 16 (32y+16)/2 = 16y+8

If you need more explination ask me :)

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2 years ago