3 years ago

If a muffin costs 7¢, how much will 3 muffins cost?

Mathematics

2 answers:

Aleks04 [339]3 years ago

8 0

Answer:

21 cents

Step-by-step explanation:

Take the cost per muffin and multiply by the number of muffins

7 cents * 3 muffins

21 cents

Goshia [24]3 years ago

6 0

Answer:

21 cents

Step-by-step explanation:

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$\sf{\qquad\qquad\huge\underline{{\sf Answer}}}$

Let's Solve ~

$\qquad \sf \dashrightarrow \: 4 {x}^{2} + 20x + 25$

$\qquad \sf \dashrightarrow \: 4 {x}^{2} + 10x + 10x + 25$

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$\qquad \sf \dashrightarrow \: (2x + 5) (2x + 5)$

$\qquad \sf \dashrightarrow \: (2x + 5) {}^{2}$

$\sf{\qquad \sf \dashrightarrow \: 4x² + 20x + 25 }$

$\sf{\qquad \sf \dashrightarrow \: (2x)² + (2 \sdot 2x \sdot 5) + (5)²}$

[ it's similar to expression - a² + 2ab + b² that is equal to (a + b)² ]

so, let's use this identity here to factorise :

$\sf{\qquad \sf \dashrightarrow \: (2x + 5)²}$

I hope it was helpful ~

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If a muffin costs 7¢, how much will 3 muffins cost?​

If a muffin costs 7¢, how much will 3 muffins cost?