A shop has an offer on jumpers as shown below. Buy 3 jumpers and get 1 free! Kara gets 5 jumpers. After applying the offer, each one ends up costing £4.20 per jumper. What is the regular cost of one jumper when not in this offer?
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On buying 3 jumpers, we get 1 jumper free.
No of jumpers Kara got = 4
After applying the offer, cost of 1 jumper = £6.00
To Find:
The regular cost of one jumper when not in this offer.
Calculation:
- Total cost of jumpers = 4 × 6 = £ 24
- Kara got total 4 jumpers.
⇒ Kara bought 3 jumpers and got 1 jumper free as per the offer.
⇒ The cost of 3 jumpers = £ 24
⇒ The cost of 1 jumper = 24/3 = £ 8
- So, the regular cost of one jumper when not in this offer is £ 8.
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