Answer:5.4×105+2.3×104.
Step-by-step explanation:
Answer:
x= 500 y= 1500
Step-by-step explanation:
Isolate x or y in the first equation
Isolating for x would be x= -y+2000
Substitute X=-y+2000 into equation 10x+20y=35000
10(-y+2000)+20y=35000
Exapnd the equation above and you should get y=1500
Same steps for finding x by isloating for y
Answer:
b
Step-by-step explanation:
Answer:
New price 3.10
Step-by-step explanation: