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Alina [70]
3 years ago
10

Explain witch situation will give you the best price : a discount of 15% and then 10% and then 15% off that amount ,or a discoun

t of 25%
Mathematics
1 answer:
Makovka662 [10]3 years ago
5 0

Answer:

First one:

a discount of 15% and then 10% and then 15% off that amount

Step-by-step explanation:

15% discount means 100-15 = 85% is to be paid

10% discount means 100-10 = 90% is to be paid

25% discount means 100-25 = 75% is to be paid

Let X be the cost before discount

1st offer:

85% of 90% of 85% of X

(85/100) × (90/100) × (85/100) × X

= 0.65025X

2nd offer:

75% of X

(75/100) × X

= 0.75X

Since 0.65025 < 0.75,

Offer 1 is better

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