Bonjour;
a)
a+ 3
b)
130*(a+3) + 140a
= 130a +390+140a
= 270a +390
c)
a = 15-3
=12
270* 12 +390
=> 3240+390
=> 3 630€
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Bonjour;
a)
a+ 3
b)
130*(a+3) + 140a
= 130a +390+140a
= 270a +390
c)
a = 15-3
=12
270* 12 +390
=> 3240+390
=> 3 630€