Answer:
50 years old
Step-by-step explanation:
The BC/AD time line is like a number line: the negative side of 0, the numbers move backwards; and the positive side of 0 moves normally. If you have -25, then move to +25, you have just moved 50 places.
Hope this helps :)
90%
50x2=100, 45x2=90, if 45/50=90/100, thats your %
18 divided by 3... 3 times 6
14 divided by 7... 7 times 2
12 divided by 3 ... 3 x 4
