Question 159981
a) I=P+Prt , for t
Prt=I-P
t=(I-p)/Pr answer.
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b) m=dV(1-e) , for e
m=dV-dVe
dVe=dV-m
e=(dV-m)/dV answer.
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c) mu=(m+M)v , for M
mu=mv+Mv
Mv=mu-mv
M=m(u-v)/v answer.