Answer:
rate=55 percent
Step-by-step explanation:
SI=PRT
p=90
r=?
t=2
si=99
R=SI÷PT
R=99÷90×2
r=99÷180=0.55
r=0.55×100
R=55%
Answer:
Commutative
Step-by-step explanation:
Identity equals adding 0
Associative means grouping diff. ways
Distributive is distributing into sections
Answer:
Step-by-step explanation:
20/2 + 5/2 = 25/2 = 12 1/2
E= 16x
Marco works x hours, earning 16 dollars for every hour worked.