3 years ago

A shop has a sale of 15% off all items in stock.

Mathematics

1 answer:

makvit [3.9K]3 years ago

4 0

Answer:

The sale price is 34 euros.

Step-by-step explanation:

40 * .85 (100% - 15% = 85% or .85) = 34

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in Eduardo’s collection, the number of butterflies is 12 more than twice the number of moths. If there are x moths, write an exp

34kurt

Answer:

An expression to represent the number of butterflies he has is y = 12 + 2x

Step-by-step explanation:

Let the number of butterflies in Eduardo’s collection be y

Then according to the question

The number of moths = x

The number of butterflies y = 12 + twice the number of moths---------(1)

Twice the number of moths = $2 \times \text{number of moths}$

Twice the number of moths = 2x -----------------------(2)

Substituting equation (2) in (1)

The number of butterflies y = 12 + 2x

7 0

4 years ago

at the cafe, Rebecca can choose to earn $10 per hour plus a $60 starting bonus or earn $12 per hour with no starting bonus. afte

qwelly [4]

Hi there! The answer is 30 hours.

Let the number of worked hours be represented by X.

The total earn of option 1, would then be 10X + 60
The total earn of option 2, would then be 12X

We end up with the following equation:
$10x + 60 = 12x$
Subtract 10X from both sides.

$60 = 2x$
Divide both sides by 2.

$x = 30$
Therefore, after 30 hours of work Rebecca will earn the same amount of money.

8 0

3 years ago

Is 14,22,30 a Pythagorean triple

adell [148]

I don’t think soooooo