Verified Answer :

  1. 25% if 1/4, so we want to find 1/4 of 176. Best way to get the result is just divide 176 by 4, so 176:4=44 - its the answer.

    2. To get the answer we can use proportion
    100% -----------20
    90% ---------- x
    crossmultiply now
    100x=9020
    100x=1800     /:100        divide both sides by 100
    x=18 - its the answer

    3. Similar problem
    24 ---------- x
    30 ---------- 100%
    crossmultiply now
    24    100%=30x 
    2400%=30x     /:30 divide both sides by 30
    2400%:30=x
    80%=x - its the answer

1) 25% of 176 = 44
2) 90% of 20 = 18
3) 24 is 80% of 30

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