Answer:
-1/3
Step-by-step explanation:
1/3 is 0.33333... and then you just put a negative sign in front of it.
A. 2x+y=25; x+y=20
x represents cheese wafers and y represents chocolate wafers.
B. I will choose elimination since there is y and y. I can multiply one equation by -1 to get y and -y, which cancels out.
2x+y=25
-x-y=-20
Add equations
x=5
Plug x in
5+y=20
y=15
Final answer: 5 cheese wafers, 15 chocolate wafers
Forget the '34' part of 8:34 and the '18' minutes from 3 hours and 18 minutes for now.
Just add 3 hours on to 8, to get 11. Then, bring back the 34 and 18 and add them together. 34 + 12 = 52. Now put that 52 on the end of the 11, and you get 11:52 as the end time.
Answer:
20 kph
Step-by-step explanation:
Step 1:
10 : 30 Ratio
Step 2:
60 mins in hour
Step 3:
10 : 30 = x : 60 Equation
Step 4:
30x = 600 Multiply
Step 5:
x = 600 ÷ 30 Divide
Answer:
x = 20
Hope This Helps :)
