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How much did Briana save by purchasing a backpack that costs $45 with a sales promotion of 20% off instead of a backpack that cost $42 with a sales promotion of 10% off?

Respuesta :

45x.20=9
42x.10=4.2
9-4.2=$4.80

Answer:

Briana saved $1.80.

Step-by-step explanation:

When the sales promotion is 20% off.

Cost price is $45

Amount after discount is = [tex]45-(0.20\times45)=36[/tex] dollars

When the sales promotion is 10% off.

Cost price is $42

Amount after discount is = [tex]42-(0.10\times42)=37.80[/tex] dollars

Hence, Briana saved [tex]37.80-36=1.80[/tex] dollars

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