4x + 13y = 40
4x + 3y = -40
multiply second equation by -1
4x + 13y = 40
-4x - 3y = 40
add equations together
10y = 80
y = 8
put y in either original equation
4x + 3(8) = -40
4x + 24 = -40
subtract 24 from both sides
4x = 64
x=16
y=8
Answer:
3.7 mL
Step-by-step explanation:
Answer:
it will take her 2 hours and 45 minutes
Answer: 30
Step-by-step explanation: If you play 36 games in total but the ratio is 5:6 you could use a little dividing so 36/6 is 6 so you would multiply both number by six giving you 30:36
