She needs a 56
87+92+76+89=344
400/5 = 80
400-344=56
Answer:
X= 7, -2
Step-by-step explanation:
if ur asking for X but if yea that's the answer for X
Answer:
a) 125 ml of milk
b) 7.5 g of butter
Step-by-step explanation:
Answer:
B
X= 7.5
Y= -5
Step-by-step explanation:
In systems of equations, the goal is to add both of the equations together so it cancels one of the variables and you solve for that variable. Before you add they together, you multiply one of the equations by a negative number so when you add them together one of the numbers with x or y cancel.
I will upload a picture showing my work.
Answer:13.80
Step-by-step explanation:18-4.20=13.80