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3 years ago

What number is 120% of 20?

Mathematics

2 answers:

Lera25 [3.4K]3 years ago

7 0

I’m pretty sure is 14

aliina [53]3 years ago

6 0

Answer:

120% of 12= 100% +20%=120% of 12= 12+2.4=14.4.

120% of 12 =14.4.

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2 years ago

The exchange rate at a post office is £1 = 1.17 euros <br><br> how many euros will u get for £280

Sati [7]

Answer:

327.6 €

Step-by-step explanation:

you can solve with an equation

1£ : 1.17€ = 280£ : x

1 : 1.17 = 280 : x

x = 1.17 * 280 : 1

x = 327.6

-------------------

check

1 : 1.17 = 280 : 327.6

0.85 = 0.85

the answer is good

------------------------------------

or you can simpy solve with a multiplication

280 * 1.17 = 327.6

8 0

2 years ago

Ramon earns $1,835 each month and pays $53.80 on electricity. To the nearest tenth of a percent, what percent of Ramon's earning

Nitella [24]

Answer:

Sorry Iam at exam now

I know the answer but IAM writing exam

7 0

2 years ago

Can someone please help me out!!?

HACTEHA [7]

Answer:

x = 7

Step-by-step explanation:

$\frac{10}{8} = \frac{3x-6}{12}$ --> Triangle Similarity Theorem

120 = 8(3x - 6) --> Cross Multiplying

120 = 24x - 48 --> Distributing the 8

24x - 48 + 48 = 120 + 48 --> Adding 48 on both sides

24x = 168 --> Simplifying

24x/24 = 168/24 --> Divide 24 on both sides

x = 7 --> Simplifying

Hope this helped! <3

8 0

2 years ago

The wildflowers at a national park have been decreasing in numbers. There were 1200 wildflowers in the first year that the park

Andreas93 [3]

Answer:

Step-by-step explanation:

We have total 1200 wildflowers in first year that is first term a is 1200

We have to find sigma notation showing the infinite growth of the wildflowers.

$wildflowers=\sum_{i=1}^{\infty }1200(\frac{1}{4})^{i-1}$

Formula for infinite sum of GP is $S_{\infty}=\frac{a}{1-r}$

Here, $a=1200,r=\frac{1}{4}$

On substituting the values in the formula of sum we get:

$S_{\infty}=\frac{1200}{1-\frac{1}{4}}$

On simplification we get:

$S_{\infty}=\frac{1200}{\frac{3}{4}}=1600$

Therefore, total sum of wildflowers 1600.

5 0

3 years ago

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