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Roman55 [17]
3 years ago
5

Problem of the Week (POW) for May 1 - May 8

Mathematics
1 answer:
kipiarov [429]3 years ago
4 0

Answer:

Becky saves $4.86 by choosing to buy 18 bulbs in the 3 package sets  

Step-by-step explanation:

Becky has 2 options here. She can buy 3 for $4.20 or 2 for $3.34. We can easily determine the prices because both 2 & 3 are factors of 18.

18 / 3 = 6, so multiply 6 * 4.20 to see that 18 bulbs will cost $25.20

18 / 2 = 9, so multiply 9 * 3.34 to see that 18 bulbs will cost $30.06

Now, we can see that buying sets of 3 is cheaper, we need to determine how much we are saving by choosing the cheaper option. (Use subtraction)

$30.06 - $25.20 = $4.86

Becky saves $4.86 by choosing to buy 18 bulbs in the 3 package sets  

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