Бx +7y = -12 5х – 8y = –10
1 answer:
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Solution:
we have been asked to find
How much more time did Maria spend doing research ?
Maria spends doing research = 30%
and using email = 15% of a day (24 hours)
Time spent on research = 30% of 24 =
Time spent on checking email = 15% of 24 =
so,
Hence , Maria spends 3.6 hours more on doing research than checking email.
