8 • (11+n) = 123
This is the equation you would use
Answer:
10 20 30 40 50 60 70 80 90 100 and the list goes on
Iddentity add
c+0=c
identiy mulitply
22b x 1 = 22b
multiplicative 0
40286 x 0=0
commuative
x+z=z+x
commutative multiply
k x 6=6 x k
associative add
(1+3)+9=1+(3+9)
assoative multiply
(w x h) x l=w x (h x l)
Lets suppose his initial weight was 60 kilograms
A gain of 20% would make his new eight 60 + 20*60/100
= 60 + 12
= 72 kg
he lost 25% of this:-
= 72 - 25 * 72/100 = 54 kg
This = (54/60) * 100 = 90% of his beginning weight Answer