We set up the equation (70+64+83+x)/4=75
Multiply by 4 on both sides: 70+64+83+x=300
Combine like terms on left side: 217+x=300
Subtract 217 from both sides: x=83
So Sara must get at least an 83% in order to maintain a final average of 75%
Hope this helped!
Answer:
Certain if you are playing Uno
Step-by-step explanation:
Answer:
c
Step-by-step explanation: because the one on the bottom is smaller than the other
Good on him, he’s done well
