2000 incoming grade 7 students took an examination in science mathematics and english. if 105 failed on all 3 subjects, 385 passed mathematics and science, 123 passed english only, and 345 passed both english and science, 426 passed both math and english, and 1075 passed math, how many passed science?

Answer: h - hundreds digitt  - tens digitu - ones digitfind the number htu
@ clue a :   h = u + [email protected] clue b : t = u + [email protected] clue c : h + t + u = 15
from clue c: h + t + u = 15(u+8) + (u+4) + u = 153u + 12 = 153u = 15 - 123u = 3u = 1
from clue b: t = 1 + 4 = 5from clue c: h = 1 + 8 = 9
htu = 951 and 9+5+1 = 15
number is 951
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Percent of change = [(20-10) / 10]  x  100
                                = (10/10) x 100
                                = 1 x 100
                                = 100 %

answer:

the difference is 10.
the percent of change or rate of increase is 100%.

Php480.000.00 is all in all in 2 years