To find out how many students voted, you just add the 2 numbers up and you'll get 98. So 98 students voted.
Answer:
x = –4
Step-by-step explanation:
x = –koef x / (2•koef x²)
Let q and n represent the number of quarters and nickels respectively.
q=3n and .05n+.25q=1.6 These are the conditions in mathematical terms.
To solve, use the value of q from the first equation in the second equation to get:
.05n+.25(3n)=1.6 carry out indicated multiplication on left side
.05n+.75n=1.6 combine like terms on left side
.8n=1.6 divide both sides by .8
n=2, since q=3n
q=6
So Peggy had 2 nickels and 6 quarters.
Answer:
y = -3x - 1
Step-by-step explanation:
First find the slope then the Y-intercept
