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3 years ago

HELP HURRY!!

Mathematics

1 answer:

Nat2105 [25]3 years ago

6 0

Hmm I’m not sure what you mean by promotion. is Jane getting 23 times the amount of money she got before promotion 50?

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A boy spent one-half of his money for a book and one-third of his money for a pen. The remaining $2.25 he saved. How much money

Tema [17]

Let his original money is x

So, $\frac{x}{2}$ + $\frac{x}{3}$ + 2.25 = x
or, $\frac{3x+2x+(6*2.25)}{6} = x$
or, 5x + 13.5 = 6x
or, x = 13.5

So, he had $13.5 originaly.

Thanks!

8 0

3 years ago

Read 2 more answers

Alan has to finish an exam within 120 minutes. He finished the exam in 80 minutes. What is the percentage of the time he took fo

drek231 [11]

Answer:

66.67%

Step-by-step explanation:

80/120 = 66.67

7 0

3 years ago

For each 11 mm of coloured fabric Nick uses to make his curtains, he also uses 2 cm of white fabric. Express the amount of white

defon

Answer:

The amount of white fabric to coloured fabric as a ratio is 20:11

Step-by-step explanation:

We are given that For each 11 mm of colored fabric Nick uses to make his curtains, he also uses 2 cm of white fabric.

Length of colored fabric = 11 mm

Length of White fabric = 2 cm

1 cm = 10 mm

2 cm = 20 mm

So, length of white fabric = 20 mm

So, Ratio of the amount of white fabric to coloured fabric = $\frac{20}{11}$

Hence the amount of white fabric to coloured fabric as a ratio is 20:11

3 0

3 years ago

Helppp please i need helppppppppoooo

bixtya [17]

Answer
A)

Explanation

4 0

3 years ago

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How many solutions does this equation have?

drek231 [11]

The answer is infinitely many solutions because 0 = 0.

If you don't seem to see where I got 0 = 0, look at the equation,

4b – 4b = 0

first lets do the math on the left side.

4b - 4b is equal to 0.

so lets put 0 on the left side, now lets look at the equation all together,

0 = 0,

and this means that it has infinitely many solutions.

The reason why it is not no solution because no solution means when there are no answers to the equation. For example, the solution is not true, such as the equation 24 ≠ 29. This is a no solution equation. One solution can be 4x = 20, as x = 5, concluding it being one solutions.

5 0

3 years ago