Question

Calcule

a) 80% de 115

b) 45% de 1600

c) 225% de 1800

Answer 1

a) 80% de 115
= 80/100 x 115
= (80 x 115)/100
= 9200/100
= 92

b) 45% de 1600
= 45/100 x 1600
= (45 x 1600)/100
= 72000/100
= 720

c) 225% de 1800
= 225/100 x 1800
= (225 x 1800)/100
= 405000/100
= 4050

Answer 2

A)80% de 115
115-----100%
 x-------80%
multiplicando meios por extremos
100x=9200
x=9200\100
x=92

B)45% de 1600
1600------100%
  x----------45%
Multiplicando meios por extremos
100x=72000
x=72000\100
x=720

C)225% de 1800
1800-------100%
  x-----------225%
Multiplicando meios por extremos
100x=405000
x=405000\100
x=4050
ESPERO TER AJUDADO!