Answer:
use a median , mean and median mode calculator there are plenty online...i don't know for sure this question but you can use those calculators it will generate it for you
Step-by-step explanation:
x=3×3
ok it's fine if you don't mind
75
140 / 100 * X = 56
X = 56 * 100 / 140 = 5600 / 140 = 40