Mandy buys 36 pens, 36 pencils, 36 rulers and 36 pencil cases. Price list
1. pens
2. pencils
3. rulers
4. pencil cases
1. 4 for 75p
2. 12 for 42p
3. 6 for £1.10
4. 54p each
What is the total amount of money spent by Mandy?

34.05£

Step-by-step explanation:

cost of 4 pens=75 p

cost of 36 pens=75/4×36=675 p=6.75£

cost of 12 pencils=42 p

cost of 36 pencils=42/12 ×36=126 p=1.26£

cost of 6 rulers=1.10£

cost of 36 rulers=1.10/6 ×36=6.60£

cost of 36 pencil cases=54×36=1944 p=19.44 £

Total amount of money spent=6.75+1.26+6.60+19.44=34.05 £

the answer would be a 24

step-by-step explanation:

c=2πr=2·π·3=24