Answer:
Step-by-step explanation:
9/10 of 50....." of " means multiply
9/10 * 50 = 450/10 = 45
Answer:
1/4x + y = 4
Step-by-step explanation:
y = -1/4x + 4
Add 1/4x on both sides
1/4x + y = 4
I hope this helped and please mark me as brainliest!
Answer:
x=-6 y=7
Step-by-step explanation:
8x+5y=-13; x+y=1
Isolate x and substitute
(-13-5y)/8 +y=1
Isolate y
y=7
substitute y=7
(-13-5*7)/8=-6
The difference between the flat fees of the two companies is $20
