Help guys it is easy maths grade 8.
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Answer:
a)9/320 b)-67/105
Step-by-step explanation:
a)
= (9/16)x(4/5-3/4)
=(9/16)x(1/20)
=9/320
b)
=(4/7)x(-2/5-3/5)-1/15
=(4/7)x(-1)-1/15
=-4/7-1/15
=-67/105
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