9514 1404 393
Answer:
see attached
Step-by-step explanation:
A graphing calculator does this nicely.
50% is 30, it’s half of 60. 25% is the same as dividing by 4, 60/4 is 15.
X+y=155. Y= -x+155
1.50x +4(-x+155)= 520
1.50x-4x+620=520
-2.5x =-100
X= 40. Y=110
Answer:
Lisa earns more money because John makes $16 while Lisa makes $18.
Answer:
A. 5
B. 12
Step-by-step explanation:
What you do is you substitute -2 into the a and the 3 into the b.
a. 3(-2)^2-5(3)+8 b. 2/3(3)-5(-2)
3(4)-15+8 2-(-10)
12-15+8 12 is your answer.
-3+8
5 is your answer.