As we multiply the matrices on the left-hand side,we have;
x+3y=5---eq1
x+4y=6---eq2
eq1-eq2
-y=-1
y =1
Subsitution of y=1 in eq1,
x+3(1)=5
x+3=5
x=5-3
x=2
I think the answer is 30, because if 134 +16 is 5 times the number of books Beezus reads, than just divide by 4 for the answer of 30
Answer:
6
Step-by-step explanation:
The answer is 6 because there is three other couples and so Barbie would have shaken each couples hand and in a couple there are two people so that would be two handshakes per couple minus Kens hand.
Answer:
$148.80
Step-by-step explanation:
Find how much was charged extra with the late fee. Multiply 13 by 3.85:
13(3.85)
= 50.05
Add this to the original amount of the bill:
98.75 + 50.05
= 148.8
So, the amount owed is $148.80