500
100
29.875
Two equations: A+B=3800 and A-B=478. Thus, A=478+B. then, replacing A in the first equation, 478+2B=3800. From this, B=1661. Then, A=2139.
29.875
To the nearest whole number is is 478.
500
100
4.78 m to the nearest m is 5 m.
25% of 478= 25% * 478= 0.25 * 478= 119.5
15% of 478= 15% * 478= 0.15 * 478= 71.7
478/700 x 100 = 68.285714 recurring (that is, 68.285714285714...) percent.
To convert 478 to percent multiply by 100. Thus, 478 × 100 = 47,800%
478 %
480
23.9
2.571% to 3 dp.