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dangina [55]
3 years ago
5

A cost of a pair of football boots have been decreased from £70 to £52.50, what was the percentage change?

Mathematics
1 answer:
alisha [4.7K]3 years ago
4 0
I think it’s 25%


Because 70 divided by 10 is 7
Which is then 10% so 20% is 14 then 5% is half of 7 which is 3.5
So 70 -7-7-3.5=52.5 which is 25%
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Grade       In Favor     Opposed     Undecided          Total
9                 4                   2                    8                   14
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12               11                 5                    10                  26
Total           36                 33                   35                 104

Above is a partial sum chart that will help us in our quest.

P(Grade 9 | opposed)
The probability of Grade 9, given opposed, is the portion of opposed students that are in grade 9. 
Total number opposed: 33
Number opposed in Grade 9: 2
P(Grade 9 | opposed) = 2 / 33 = 0.06

P(opposed | Grade 9)
Total Number Grade 9: 14
Number opposed in Grade 9: 2
P(opposed | Grade 9) = 2 / 14 = 0.14
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Step-by-step explanation:

# angle ABC is congruent to angle DEF which’s given

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- SUBTRACT DEF from both sides

ABC=GHI

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