25% of 240 is:            OR                

__________________ = 

OR

, where:

PART NUMBER is:   UNKNOWN, or x

WHOLE NUMBER is:  240

PART PERCENT is:  25

WHOLE PERCENT is: 100 (ALWAYS)



Thus,  becomes: 

 ------ Cross-multiplying

 ---------- Dividing each side by 100

 ------- Cancelling numerators and denominators

 

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