Question

40% от 80 ;8%от400; 140%от 70

Answer 1

40% от 80
80-100%
х-40%
100х=3200
х=32
Ответ: 32

8% от 400
400-100%
х-8%
100х=3200
х=32
Ответ: 32

140% от 70
70-100%
х-140%
100х=9800
х=98
Ответ: 98

Answer 2

1) 80:100•40=32
2) 400:100•8=32
3) 70:100•140=98

Answer 3

To calculate these percentages, you simply multiply the given number by the percentage expressed as a decimal. Here are the results:

1. 40% of 80: 40% is equal to 0.4 (since 40% = 40/100 = 0.4). So, 0.4 * 80 = 32.

2. 8% of 400: 8% is equal to 0.08 (since 8% = 8/100 = 0.08). So, 0.08 * 400 = 32.

3. 140% of 70: 140% is equal to 1.4 (since 140% = 140/100 = 1.4). So, 1.4 * 70 = 98.

The results are:

1. 40% of 80 is 32.
2. 8% of 400 is 32.
3. 140% of 70 is 98.