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 £6.80 per jumper.
What is the regular cost of one jumper when not in this offer?
Answers
Answer:
Step-by-step explanation:
Change everything into 10ths as follows:
1/10 + 2.5/10 = 3.5/10 of an hour to make one bracelet. Then change to 20ths so the numerator is a whole number.
Divide your time available by the time it takes to make one.
21
4 = 420= 15 bracelets
7 28
20
(as a whole number there was no fraction or remainder to round off)
Given:
On buying 3 jumpers, we get 1 jumper free.
No of jumpers Kara got = 5
After applying the offer, cost of 1 jumper = £6.80
To Find:
The regular cost of one jumper when not in this offer.
Calculation:
- Total cost of jumpers = 5 × 6.80 = £ 34
- Kara got total 5 jumpers.
⇒ Kara bought 4 jumpers and got 1 jumper free as per the offer.
⇒ The cost of 4 jumpers = £ 34
⇒ The cost of 1 jumper = 34/4 = £ 8.5
- So, the regular cost of one jumper when not in this offer is £ 8. 5.