Mary took a math test and she got four questions incorrect and 21 correct. What percent did answer correctly?
1 answer:
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1. 3y
multiplying 3 and y together gets 3y
2. y-5
5 less implies that we subtract 5 from y
3. y+7
adding 7 to y, self-explanatory
4. 9y
same thing as #1
5.
quotient of implies division, since number y is listed first, y is the numerator
Answer:
£320
Step-by-step explanation:
Using proportion,
If 110% = £352
100% = ?
=
= £320