Answer:
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 £