Please help and no links

Mathematics

2 answers:

Klio2033 [76]3 years ago

6 0

Answer:

B) y=3x

Step-by-step explanation:

2 x 3 = 6

3 x 3 = 9

4 x 3 = 12

You can find y by multiplying the x by 3. The relationship between the x and y is proportional. For example, lets say my x is 20, my y would be 60. 20 x 3 = 60.

If you are still unsure, remember constant of proportionality is k=y/x, so your constant is 3.

sdas [7]3 years ago

6 0

Answer:

the answer is b if not I'm sorry

Step-by-step explanation:

because side y is multiples of 3 that means side x is multiplying 3 to make side y

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A fridge costs €336 after a price increase of 40%. what was the original price

Mazyrski [523]

the original cost is "x", which is the 100% of the original price, and we also know that €336 is its price increased by 40%, namely 100% + 40% = 140%, so

$\begin{array}{ccll} amount&\%\\ \cline{1-2} x & 100\\ 336& 140 \end{array} \implies \cfrac{x}{336}~~=~~\cfrac{100}{140} \\\\\\ \cfrac{x}{336}=\cfrac{5}{7}\implies 7x=1680\implies x=\cfrac{1680}{7}\implies x=240$