1_Determine:
a) 15% de 120
b) 20% de 240
c) 5% de 340
d) 40% de 920
e) 30% de 620
f) 12% de 150
????
Soluções para a tarefa
a) 15 * 20 = 300 = 3
100 1 100
b) 20 * 240 = 4800 = 48
100 1 100
c) 5 * 340 = 1700 = 17
100 1 100
d) 40 * 920 = 36800 = 368
100 1 100
e) 30 * 620 = 18600 = 186
100 1 100
f) 12 * 150 = 1800 = 18
100 1 100
OI
a) 15% de 120
100%-----------120
15%-------------x
100x = 15.120
100x = 1800
x = 1800/100
x = 18
b) 20% de 240
100%----------240
20%------------x
100x = 4800
x = 4800/100
x = 48
c) 5% de 340
100%---------340
5%------------x
100x = 1700
x = 1700/100
x = 17
d) 40% de 920
100%-----------920
40%------------x
100x = 36800
x = 36800/100
x = 368
e) 30%--------------620
100%-------------620
30%---------------x
100x = 18600
x = 18600/100
x = 186
f) 12% de 150
100%--------------150
12%-----------------x
100x = 1800
x = 1800/100
x = 18
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