oblicz a) liczbę,której 10% stanowi 48 b)liczbę,której 105,5% stanowi 5275
x-100%
48-10%
x=48*100/10=480
5275-105,5%
x=5275*100/105,5=5000
a)
10%*x=48
0,1x=48 /*10
x=480
b)
105,5%*x=5275
1,055x=5275 /:1,055
x=5000
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x-100%
48-10%
x=48*100/10=480
x-100%
5275-105,5%
x=5275*100/105,5=5000
a)
10%*x=48
0,1x=48 /*10
x=480
b)
105,5%*x=5275
1,055x=5275 /:1,055
x=5000