Percent means parts out of 100
74%=74/100=0.74
'of' means multiply
so
128 is 74% of what means
128=0.74 times what
divide both sides by 0.74
172.97297297297297297297297297297=what
the number is about 173
He has 30 and gets rid of 4 so 26 cookies then gets rid of 8 more, so then 18 cookies left.
D = 14
1/6d + 2/3 = 1/4d - 1/2
2d + 4*2 = 3d - 6
2d - 3d = -6-8
-d = -14
d = 14
20% of 75 = 15
75 - 15 = £60
It should be c) £60