i believe that the answer is b (but it could be c) pls consider what the other person that answers it says
X+y=15
0.3x+0.6y=0.4*15=6
solve the system of equation.
Multiply equation one by 0.3: 0.3x+0.3y=4.5
subtract the new from the second equation: 0.3y=1.5
y=5
x=10
Answer:
Sry if it is wrong..........
Answer:
a) 6
b) 4.5
c) unsure due to not knowing the whole problem
d) 35
Step-by-step explanation:
