please answer the question it is very important for me
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Step-by-step explanation:
viii) Week =7days
the number of days (d)in 10 weeks=10*7=70days
ix). 1 day=24 hours
The number of hours (h) in d days
=24*70 = 1680 hours
x) 1 hour=60 min
the number of minutes (m) in h hours
=1680*60 = 100800
xi) The number of months m in y year
1 year =12 months
xii) ball cost =y
doll cost =z
total cost of 12 ball's and 10 dolls
=12y+10z
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