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OpenStudy (anonymous):
p=2w+2l l =12cm 78cm=w
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OpenStudy (anonymous):
which i got p=132
OpenStudy (anonymous):
just substitute and calculate..... p = 2(78m) + 2(12cm) p = 156cm + 24cm = 180 cm
OpenStudy (anonymous):
so i donthave to subtract
OpenStudy (anonymous):
why??? the formula says 2w plus 2l !!!! and plus means addition.....
OpenStudy (anonymous):
cause some problems tell u to subtracrt and u hsave to add
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OpenStudy (anonymous):
thank u i just did the wrong step
OpenStudy (anonymous):
u r welcome can u pls become my fan as i need more fans !!! :))
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