Answer:
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Answer: 64.60
Step-by-step explanation:
lets do 6.80x9
= 61.20
for the half an hour, divide 6.80 by 2
it would be 3.40
61.20+3.40= 64.60
4/5 is the the fraction of a pound is eighty pence
Is this on a graph if so you need to explain futher