Question #7ec53

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Answer 1 · 2018-01-09T21:37:07

#color(red)(80.24) # tonnes

1) Split up the percentages

#color(red)(50%=59)# tonnes
#color(red)(10%=11.8# tonnes
#color(red)(5%=5.9# tonnes
#color(red)(1%=1.18# tonnes

2) We can then use these values, using certain percentages more than others, then add up the values to find 68%

#50%+10%+5%+1%+1%+1%=68%#

3) Therefore get the values for these percentages then add them together.

#59+11.8+5.9+1.18+1.18+1.18=80.24# tonnes

#therefore# #80.24# tonnes #=68%#