So 90 is 4/5 of a number.
4/5n=90
4n=450
n=450/4
n=112.5
Answer:
30
Step-by-step explanation:
if wrong plz tell me
Well 0.2•0.8=0.16 its the same thing as multiplying your numbers and adding the decimal point in ghe front
For this one I usually put the functions over one another like if it was an addition problem
