3 years ago

What is the answer to this? 100 points and brainliest

Mathematics

2 answers:

zlopas [31]3 years ago

5 0

Answer: 25

Step-by-step explanation:

15 divided by 3 plus 3 times 10

15 divided by 3 = 5

2 times 10 = 20

5 plus 20 = 25

Naya [18.7K]3 years ago

3 0

The answer is 25 hope this helps

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Deffense [45]

Consider the fraction $\dfrac{k+7}{4k+28}$ .

1. You can see that the denominator 4k+28 can be simplified to expression 4(k+7), because 4k=4·k and 28=4·7, so using the distributive property you can write that 4k+28=4(k+7).

2. Then the initial fraction becomes

$\dfrac{k+7}{4k+28}= \dfrac{k+7}{4(k+7)}$ .

3. The nominator and the denominator have the common divisor k+7, then you can divide top and bottom by k+7:

$\dfrac{k+7}{4k+28}= \dfrac{k+7}{4(k+7)}=\dfrac{1}{4}$ .

Answer: $\dfrac{1}{4}$