Find 1 1/4 on the number line and count back 3/4 (why it is negative) answer is 1/2.
You would set this up as Part÷Whole=Percent÷100
Part=117
Whole= X
Percent=78
117÷X=78÷100
Set these up as fractions and cross multiply. You will get 117×100=78X
117×100=11,700
Divide both sides by 78 and you get x=150
There were 150 problems
Answer:
7x+y=0
x+6y=5
x+y=0
Step-by-step explanation: