Answer:
B
Step-by-step explanation:
24 times 5=120
9 times 24=216
8 times 24=192
7 times 24=168
She would get payed the most
(216) for 24 days a month
I don't know if u can see it, but there.
X=12
Y=15
Z=20
Answer:
(a;b)={(17; 64); (64; 17)}
Step-by-step explanation:
a+b=81 => b=81-a
a*b=1088
a*(81-a)=1088
-a²+81a=1088
a²-81a+1088=0
a²-64a-17a+1088=0
a(a-64)-17(a-64)=0
(a-17)(a-64)=0
=> a=17 and a=64
for a=17 => b=81-17=64
for a=64 => b=81-64=17
(a;b)={(17; 64); (64; 17)}
