34 Voici un problème : 2 cm
a
Pour quelle valeur
de a l'aire de cette
figure vaut-elle
100 cm2 ?
8 cm
1. Parmi les équations suivantes, indiquer celles
qui modélisent ce problème.
a. 2(a + 4) + 16 = 100 b. 4a + 16 = 50
c. 8(2a + 2) = 100 d. 32 + 8a = 100
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At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?