$\frac{1}{4} + \frac{1}{10} \\= Common denominator is 20\\\\\frac{1}{4} = \frac{5}{20} \\\\\frac{1}{10} = \frac{2}{20} \\\\\frac{5}{20} + \frac{2}{20} \\\\= \frac{7}{20}$

Hope this helps!

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7 0

3 years ago

Read 2 more answers

In the year 1900, the total number of metric tons of copper purchased in the world was 495,000. Each year since 1990,

Goryan [66]

Step-by-step explanation:

Here is the answer to your question.

5 0

2 years ago

30% of___ is 15 ?????

tensa zangetsu [6.8K]

Answer:

15 is 30% of 50

Step-by-step explanation:

We have, 30% × x = 15

Multiplying both sides by 100 and dividing both sides by 30,

we have x = 15 × 100/30

x = 50

If you are using a calculator, simply enter 15×100÷30, which will give you the answer.

7 0

3 years ago