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Studentka2010 [4]
2 years ago
6

If 8 cakes cost $62.40, how much would 3 cakes cost?

Mathematics
2 answers:
cupoosta [38]2 years ago
4 0

Solution:

<u>Note that:</u>

  • 8 cakes = $62.40

This question requires the knowledge of Unitary method.

<u>Step-1: Divide 8 both sides of the equation to obtain the cost for 1 cake.</u>

  • 8 cakes = $62.40
  • => 8/8 cakes = $62.40/8
  • => 1 cake = $7.8

<u>Step-2: Multiply 3 both sides to find the cost of 3 cakes.</u>

  • 1 cake = $7.8
  • => 3 cakes = $7.8 x 3
  • => 3 cakes = $23.4
Ilya [14]2 years ago
3 0

Answer:

<h2><em><u>$23.40 </u></em></h2>

Step-by-step explanation:

<em><u>Given,</u></em>

Cost price of 8 cakes = $62.40

<em><u>So,</u></em>

Cost price of 1 cake = $ \frac{62.40}{8}

<em><u>Therefore,</u></em>

Cost price of 3 cakes

= $(\frac{62.40}{8} × 3)

  • <em>[On dividing 62.40 by 8]</em>

= $(7.80 × 3)

  • <em>[On multiplying]</em>

= $23.40

<em><u>Hence,</u></em>

<em><u>The required cost of 3 cakes is $23.40 (Ans)</u></em>

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