1a:
580 - (580 × .1) - 20
580 - (58) - 20
522 - 20
502
1b:
990 - (990 × .25) - 20
990 - (247.5) - 20
742.5 - 20
722.5
I'm not sure how to solve #2.
Step-by-step explanation:
A 55ttty65t78with city council spokeswoman said that in August
The commutative property pf addition is a+b=b+a
4.12 is equal to
4+ 12/100
Now to convert a mixed number to an improper fraction the rule is:
a b/c=(ac+b)/c so we have
412/100
103/25