Answers

2014-08-31T17:38:09+08:00
Multiply the salary by 84 ( 7years x12 months)

= P642621
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2014-08-31T19:12:05+08:00
Step 1:
 multiply the number of years to 12
                   = 12*7
                   =  84
step 2:
multiply the amount of money that he pay every month to the total number of months
= 7, 650.25 x 84
= 642,621
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